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What is Not Coming Into Heat?

Female dogs have heat cycles, or estrus. During this time, the female is receptive to a male and has the ability to reproduce. There are some times when your female dog, or bitch, has an abnormal heat such as a silent or split heat or does not come into heat at all. If your female does not come into heat for over 10 months, there is a strong chance that her reproductive cycle is being suppressed.

Sometimes you may not realize that your female has actually cycled on time because she has had a silent heat. This is when your dog goes into heat but does not exhibit any of the normal signs of a regular heat cycle. Your female can still become pregnant during a silent heat. It is important to watch any intact male dogs closely; they will be able to detect a silent heat.

Possible causes of why your dog is not coming into heat include:

  • Silent heat cycle
  • Hypothyroidism
  • Ovarian hypoplasia 
  • Malnutrition
  • Tumor on the ovaries

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Why Not Coming Into Heat Occurs in Dogs

Many times a female dog will not have a proper heat cycle until they are about two years of age. This is especially true in many large or giant breeds; they do not reach sexual maturity until they are two years old. You should be concerned if your female does not have a heat cycle until they are 24 to 30 months of age you will want your veterinarian to examine her. 

Silent Heat Cycle

This occurs when your female will have a heat cycle without the normal symptoms such as bleeding and swelling of the vulva. Females will still be receptive to males and can become pregnant. Your veterinarian can check for a silent heat cycle by performing vaginal cytology and progesterone assays.

Hypothyroidism

Your dog may be suffering from a thyroid problem that can cause irregular heat cycles and in more severe cases can cause your female to not cycle at all. Hypothyroidism is thought to be genetic and dogs diagnosed with it should not be bred.

Ovarian Hypoplasia 

There are instances when the ovaries do not fully develop and are incapable of producing enough estrogen for your female to come into heat or have a normal heat cycle. The mammary glands and the vulva will stay small and look underdeveloped. Ovarian hypoplasia is a result of abnormalities of the sex chromosome. 

Malnutrition

Female dogs that are malnourished from poor diet or recent illness will many times not have a heat cycle. Feeding a commercial dog food that is low in protein and fat content can cause your female to not have a heat cycle. If you are planning on breeding your female, be sure to feed her a high quality food to ensure that her body is able produce enough estrogen for a proper heat cycle.

Tumor on the Ovaries

Tumors can develop for many different reasons, some being cancerous and some being benign. When a tumor develops on your female’s ovaries, this can inhibit heat cycles. Your veterinarian will need perform diagnostic testing to determine if a tumor is present and whether or not it is cancerous.

What to do if your Dog is Not Coming Into Heat

Your veterinarian will need to conduct a full examination of your female and also run routine tests such as biochemistry panel, complete blood count and urinalysis. If you suspect your female is experiencing silent heat cycles, you will need your veterinarian to do weekly vaginal cytology and progesterone measurements to determine the exact days that your female is in heat.  

Females with ovarian hypoplasia will have elevated LH and an ultrasound will show if the reproductive organs are immature. Spaying a female that is diagnosed with ovarian hypoplasia is usually recommended. Blood testing will show if your female is experiencing a thyroid problem.

There are some instances where your veterinarian can induce a heat cycle by using human chorionic gonadotropin (hCG) or follicle-stimulating hormones (FSH). Your veterinarian will need to closely monitor your female while undergoing these reproductive therapies.

It is recommended if your female is experiencing significant reproductive problems such as abnormal heat cycles or lack of heat cycles, she be spayed. Reproductive difficulties can be genetic and also can be indicative of a female who will be unable to properly carry or care for a litter.

Prevention of Not Coming Into Heat

While genetics can play a major role in your female’s reproductive health, there are certain preventative measures that can be taken to give your female a better chance of having a normal heat cycle. Feeding a quality food that is high in protein and fat is one way to ensure that your female is not suffering from malnutrition. Do not feed a low quality food and avoid giving extra treats or table scraps.

Speak with your veterinarian about supplements that target the reproductive system of your female. They may recommend a supplement that will keep your female cycling regularly. Regular checks by your veterinarian will hopefully catch any underlying problems such as hypothyroidism or tumors on the ovaries. If you are worried about your female’s lack of heat cycle, be sure to have your veterinarian do a full assessment to figure out the cause.

Cost of Not Coming Into Heat

The treatments for this symptom can range from very little cost, such as an office call to your veterinarian, to $7,000 depending on the exact cause. For example, hypothyroidism often averages at a cost of $1300, while ovarian cancer is much more expensive, with treatments ranging to $6500. On average, treating a female that is not coming into heat can cost around $1300.

Not Coming Into Heat Questions and Advice from Veterinary Professionals

Roxy
Mixed Pit Bull
5 Years
Fair condition
1 found helpful
Fair condition

Has Symptoms

none

Hello my dog is 5 years old this year and we've had her since she was 2. She typically goes into heat every six months give or take a day or two. This last cycle started about a month or two later than usual. What could be the cause of this? She's now been in heat for the last week or so and everything has been normal. Should i be concerned that she was a bit late or can that happen?

Dr. Michele King, DVM
Dr. Michele King, DVM
1397 Recommendations
Thank you for your email. Heat cycles in dogs can be variable, especially as they get older. It will be important to keep an eye on her for any signs of vomiting, diarrhea, increased drinking, decreased appetite, or vaginal discharge, as her chances for a uterine infection go up each time she goes through a heat cycle.

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Helen
Labrador Retriever
20 Months
Moderate condition
1 found helpful
Moderate condition

Has Symptoms

none

Medication Used

Heat cycle

Hello
I have two sibling sisters who are 20 months old, they are chocolate Labradors and are in great condition.I have just acquired these dogs a few months ago and within a few days one of them started her heat cycle, the previous owner said that both the dogs had their first cycle at 12 months of age and they came in about a week apart, but this time the second dog has had no cycle. What could be the problem?

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
2973 Recommendations
It is possible that one of the dogs has had a silent heat where there are minimum to no signs of being on heat; other possible causes may be due to hormone imbalance, ovarian cysts, nutrition (I assume they are fed the same) among other causes. If she doesn’t come into heat, you should have a breeding soundness examination done along with ultrasound to determine if there are any issues. Regards Dr Callum Turner DVM

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oliander
Bichon Frise
5 Years
Fair condition
0 found helpful
Fair condition

Has Symptoms

none

we had a female bichon that cycled we put our male in,and one week before she is due we determine she wasnt breed,witch was our fault for over use of one male,however is there safe and effective ways to induse a heat cycle with medications or natural reemedys.I recently got out of dairy buisness and we used lutilyse to induse a heat cycle in cattle,can it be used on dogs.Last quistion do they use cedars on dogs

Dr. Michele King, DVM
Dr. Michele King, DVM
1397 Recommendations
There aren't any ways to induce a heat cycle in a dog that I am aware of, and I haven't heard of LutaLyze or CDIR's beign used in dogs. Oliander should come into heat normally in the next 6-8 months, unless she has a hormonal problem.

We have a Chihuahua mix and our dog hasnn`t had her cycle in about 8 months now, since she was 2 but she's been moody I'm not sure if she's sick I'm worried about her

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Tango
Bullmastiff x husky
4 Years
Fair condition
0 found helpful
Fair condition

Has Symptoms

none

My bull mastiff x husky hasn't come into heat or shown any signs not sure if it's a silent heat or not. But my male dog all he wants to do is hump her constantly and when he gets close to her he trys to lick back end. But she keeps getting aggressive towards him.

Dr. Michele King, DVM
Dr. Michele King, DVM
1397 Recommendations
I'm not sure what the question that you have is, but it is quite unlikely that Tango hasn't come into heat in 4 years. If that is true, and she hasn't, she may have a hormonal problem, and it may be best to have her spayed to prevent any uterine or ovarian problems for her. An examination by a veterinarian can help determine if she has any abnormal discharge that needs attention.

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Zoe
Golden Retriever
4 Years
Fair condition
0 found helpful
Fair condition

Has Symptoms

None. Diagnosed during regular check
None

Hello. I have an English Cream Golden who had a successful litter of 11 pups at the age of 2 1/2. We kept one of her pups from this litter. She had another heat cycle roughly 8 months later (which was normal) but unfortunately has not had another cycle since then. We were hoping to breed her again and were waiting at least a full year after her first litter. Her heat cycles were very evident while occurring. Swollen, blood etc. etc. I am with my dogs all day everyday and I check her for signs almost daily. She has no health problems, sees our vet routinely for vaccinations and eats a very high quality food. I have lost faith in our vet due to misdiagnosis of our pup from that litter. One pup had a simple uti and he insisted she had ectopic ureter issues and we spent thousands of dollars and had many sleepless nights, all for nothing. He just wouldn't listen and focused on her ireters for no reason. Just an explanation of why I don't trust my vet. In process of finding another vet I can trust. Anyway, could you please advise as to what direction we should head? Thank you so very much for taking the time to answer.

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
2973 Recommendations

There are a few reasons why a dog may not be coming in heat which may be due to hormone condition, tumours (ovarian), nutritional deficiency or the heat cycle may not be noticed (but you mentioned that you check her regularly; whilst I understand that you have some concerns about your current Veterinarian, a breeding soundness examination should be carried out to see if there are any underlying conditions which may cause anestrus. Regards Dr Callum Turner DVM

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Smith
German Shepherd
2 Years
Moderate condition
0 found helpful
Moderate condition

Has Symptoms

none

My dog is 2 years old. She started her heat two weeks ago and brought out little blood then later she stopped the bringing out of blood. But her vulva is still swollen

Dr. Michele King, DVM
Dr. Michele King, DVM
1397 Recommendations
Dogs typically only bleed for a short time during their actual heat cycle, and can still get pregnant for 7-10 days after the bleeding stops. That sounds quite normal.

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Molly
Chorkie
9 Months
Moderate condition
0 found helpful
Moderate condition

Has Symptoms

not going into heat

Hello, My dog is 9 months old and still didnt come into heat. Could a first Heat be a silent heat? Is that possible? My male dog tries to hump her but she keeps on running away. We had her since she was 7 weeks old. What I’m asking is if she could’ve went into silent heat and if a silent heat can be a dogs first heat? Also, is it better to fix a male or a female dog? Thanks!

Dr. Michele King, DVM
Dr. Michele King, DVM
1397 Recommendations
Some dogs don't come into heat until 9-12 months, so Molly may just not have had that happen yet. It is better to spay a female dog for the health benefits (prevents cancer, infection, and unwanted pregnancies), but neutering a male also has benefits. If I had to choose, I'd spay a female, if I couldn't do both.

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Kallie
Siberian Husky
2 1/2 yrs
Fair condition
0 found helpful
Fair condition

My dog is 2 1/2 yrs old siberian husky. She is small for her breed. She had her 1st heat when she was around 11 month and another about 8 months later. She has not had one since. I thought the last time she had a silent heathe. She had the personality change. Slightly swollen, but no bleeding just a few drops of a clearer secretion. Now she is having similar symptoms but no swelling at all. One person said her dog food may contain steroids I wasn't aware of. I am not planning on breeding her because of her size. She is full of energy but is shying away from her food.

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
2973 Recommendations
There are various causes for a dog to not come into heat; hormonal disorders, silent heat (more common than most owners think), dietary deficiencies and other causes may cause a delay in coming into heat. If you are not planning on breeding her, it would be advisable all round if you had her spayed as it would eliminate issues of heat, risk of pyometra and decrease the risk of mammary gland cancer (this may vary depending on the literature you read). Regards Dr Callum Turner DVM

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Madge
Olde English Bulldogge
18m
Mild condition
1 found helpful
Mild condition

My Olde English Bulldog puppy had her first season at just 6 months, she's now 18m and not had a second season yet. She's a little large around her vulva but not bled at all. Any thoughts? I realise they can be irregular until full matured. She's in perfect health btw.

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
2973 Recommendations
Sometimes dogs may have a silent heat where you may not notice she is in heat and wouldn’t notice any spotting around the home; I would keep a very close eye on her but if you are not planning on breeding her you should have her spayed. Also, a quick check with your Veterinarian for an ultrasound to check ovaries and the rest of the reproductive tract would be helpful too. Regards Dr Callum Turner DVM

Thanks, I'll keep an eye on her for another month or so and then pop to the vets if nothings changed.

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Penny
Vizsla
3 Years
Fair condition
1 found helpful
Fair condition

Has Symptoms

No

My 3 years old vizsla had first heat at age of a year, second heat 10 months later, but now is already 11 months from the last time she was in heat and she shows no signs. should I start worrying? I also plan to breed her and worry if this could be a sign of some medical condition? Alao are there any supplements can help to induce heat?

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
2973 Recommendations

If you are planning on breeding Penny, it would be best to have a breeding soundness examination performed by your Veterinarian to determine whether or not Penny is suitable for breeding. Common causes for a dog not commoning into heat are malnutrition, hormonal conditions, tumours or ‘silent heat’. Your Veterinarian will check for the usual causes for a dog not going into heat; there are some supplements (as well as prescription products) that are anecdotal to bring dogs into heat, but I would recommend a breeding soundness examination first so that you are aware of any problems and wouldn’t waste a mating if chances of success are minimal. Regards Dr Callum Turner DVM

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Cha Cha
Pomeranian
3 Years
Moderate condition
0 found helpful
Moderate condition

Has Symptoms

Never went into heat

My female pomeranian is going to be 4yrs old in October. We've jst noticed shes never gone into heat. Around the time we got her we had a death in the family that threw us all into a depression. She never lacked care but we just never noticed that she never went into heat. I have had many people ask if I would like to breed her, Which I really would. And it has got me thinking about her cycle and how shes never had one. She has no other medical issues and has been living an easy life. Is this aomething to be worried about? She was the runt of the litter. Could that be a reason?

Dr. Michele King, DVM
Dr. Michele King, DVM
1397 Recommendations
Cha cha may have a physical reason for not coming into heat. She may be coming into heat and your not noticing. There are progesterone tests that your veterinarian can run to determine where she is in her cycle. She may also benefit from an ultrasound to assess her ovaries and uterus. I hope that all goes well for her.

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Allie
Miniature Australian Shepherd
10 Months
Fair condition
1 found helpful
Fair condition

Has Symptoms

Heat Issues

My Mini/Toy Aussie is 10 months old and has still not come in to heat, she doesn’t seem to have had any silent heats, based on our other males behavior but I’m not for sure. She was the runt of the litter and is small for a mini (about 12in tall) but nothing else seems to be wrong. What should I do? Is it normal for a heat to be this late for a dog this small?

Dr. Michele King, DVM
Dr. Michele King, DVM
1397 Recommendations
Dogs vary in the age that they come into heat, and it is very individual. Normal times for a first heat are typically between about 6 months and 12 months, so she may be perfectly normal.

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Babs
Pug
2 Years
Fair condition
0 found helpful
Fair condition

Has Symptoms

Heat cycle issue

Medication Used

none

I have a pug that’s 1 year and 3 mths old and she had her first season around 9 mths old then had her second season at 21 mths old which was a split season, she bled for three days stopped for a week than continued for the 28 days as normal, I did mate her at this point but she didn’t take. Now I’m waiting for her third season to come anytime soon... should I be concerned about her and get her checked with the vet, all in all she is a good healthy weight and has no other health issues

Dr. Michele King, DVM
Dr. Michele King, DVM
1397 Recommendations
heat cycles in dogs can be irregular, and that may be normal for Babs. It is hard to say without examing her whether anything may be wrong with her, however, and if you are concerned, it may be a good idea to have her examined to make sure.

Thank you dr King I think I will get her checked over just to clear my mind if any concerns.. thanks again.

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Sugar
Corgi
12 Years
Mild condition
0 found helpful
Mild condition

Has Symptoms

no symptoms

My dog Sugar hasn't been in heat yet the last time was approximately around September 2017 and she usually has it around every 6 months give or take a few days,she is about 12 yrs old. .should I be worried

Dr. Michele King, DVM
Dr. Michele King, DVM
1397 Recommendations
As dogs age, their heat cycles become less regular, and that may be normal for her at her age. Unspayed female dogs are prone to uterine cancer, and infection, so if you notice any abnormal discharge or behaviors, it would be best to have her examined by your veterinarian to make sure that she is okay.

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baby girl
Mix
6 Years
Serious condition
0 found helpful
Serious condition

Has Symptoms

in heat untill she was 6 yrs old

my dog is 6 yrs old and just now came into heat. she went 14 days and now she keeps drinking alot of water to the point she throws up. what is going on with her, she heat cycle was horrible bleeding heavy the whole time. Thank You Kathy

Dr. Michele King, DVM
Dr. Michele King, DVM
1397 Recommendations
Thank you for your email. Baby Girl may have a problem with her uterus. It would be best to have her examined today, as soon as possible, as if she is having an infection or problem with her urogenital tract, those can become life threatening. I hope that she is okay.

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Minkki
Chihuahua
2 Years
Moderate condition
0 found helpful
Moderate condition

Has Symptoms

No symptom

Hi, my 2 years old chihuahua have not gone on heat for near 10 months. She has a stomach surgery 2 months back for ingesting foreign bodies resulting in blockage. Is that why she hasn't got her period?

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
2973 Recommendations
Foreign body removal should have no effect on Minkki’s heat cycle, however it may be that she had a silent heat which you didn’t notice which is more common than people think; however you should bring it up with your Veterinarian at Minkki’s next check up and have them examine her in a bit more detail as some issues like ovarian cysts, tumours and hormonal issues may cause her to not be in heat. Regards Dr Callum Turner DVM

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Timber
Alaskan Husky
3 Years
Moderate condition
0 found helpful
Moderate condition

Has Symptoms

excessive panting

My dog is 3 years and 1 month old. Shes a husky and went into heat once when she was around 9 months old. Since then she has not gone into heat. She has had no abnormal behaviors, though she does seem to pant alot.

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
2973 Recommendations
It is possible that Timber has had a few silent heats that you didn’t notice, however it is also possible that she has some other underlying issue which is causing her not to come into heat; if you are not planning on breeding her you should have her spayed but if you are thinking about breeding with her you should visit your Veterinarian for a breeding soundness examination with focus on ultrasound of the ovaries. It would be irresponsible for me to recommend anything without knowing the underlying cause. Regards Dr Callum Turner DVM

i have a 105 pound rhodesian ridgeback, she is almost 2 and has not gone into heat. I was told by her breeder to wait till she has one heat before spaying her.

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Jewel
Rottweiler
18 Months
Mild condition
0 found helpful
Mild condition

Has Symptoms

A rash just appeared on her belly

Hi I have an almost 18 month old female rottweiler that has not gone into heat yet. I have never had this happen before with my other female rottweilers. Should I be concerned? If so, what should I do? If not, when should I start being concerned and what age should she definitely have a cycle by? Thanks so much!

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
2973 Recommendations
Generally a dog will come into heat for the first time between five and seven months, however it is possible that some dogs have their first heat cycle much later in some larger breeds (over twelve months) but it is uncommon. Without examining Jewel I cannot say whether there is an issue or not; however one possible cause may be silent heat where you may not have noticed she came into heat due to little to no spotting and no behavioural changes. I would recommend visiting your Veterinarian for an examination to be on the safe side especially if you’re planning on breeding her. Regards Dr Callum Turner DVM

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Cherokee
german sheperd
20 Months
Mild condition
0 found helpful
Mild condition

I have a female Shepherd who will be 2yrs old on March 1st. She had her 1st heat cycle Dec 30th of 2016 & has not come into her second heat as of yet. I've witnessed some light vommiting & she now has runny stools, also looks like she's losing weight. She acts perky and fine otherwise. She's a picky eater as well. I've had her on Diamond Naturals- Adult Beef formula for a year now. Please, any advice?

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
2973 Recommendations
It is possible that Cherokee has had a silent heat or two since the first heat; other issues may be ovarian cysts or hormonal disorders. Without examining Cherokee I cannot say what the specific cause is, but if she has started losing weight and having some gastrointestinal issues I would look into her diet as well. I would recommend seeing your Veterinarian and if you are not planning on breeding with her you should have her spayed. Regards Dr Callum Turner DVM

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Wrigley
German Shepherd
11 Months
Mild condition
0 found helpful
Mild condition

Has Symptoms

No heat cycle, 2 UTIs

I have an almost 11 month old German shepherd. She has not come into heat yet should I be concerned? She also has had 2 UTIs could this be a reason? She eats Eukanuba Large breed puppy which is 26% protein. Our vet wants us to go to vegetarian Natural Balance which is only 18% protein wouldn't that hurt her?

Dr. Michele King, DVM
Dr. Michele King, DVM
1397 Recommendations
Thank you for your email. It isn't uncommon for large breed dogs to come into heat later, sometimes they don't until 18 months. Her recurrent UTI's are probably not related to her not coming into heat, and may need further diagnostics like a urine culture or an ultrasound to figure out why she is having that problem. She is at an age where she can wean onto an adult dog food, and if there are other reasons that your veterinarian feels that she needs to be on that particular food that I'm not aware of, you may want to follow that advice, but you can certainly ask your veterinarian why, and if that food is appropriate for her. I hope that all goes well for her!

I have a female Caucasian, she got pregnant but had a premature birth and after that for 8 months now she’s not been on heat. Also have a male around so if it’s a silent heat I’ll know. Any suggestions on what’s wrong?

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Roxy
Caucasian Shepherd (Mountain Dog)
3 Years
Moderate condition
1 found helpful
Moderate condition

Has Symptoms

Sleepy

My female Caucasian got pregnant but had a premature birth and ever since for like 8 months now she has not been on heat. I have a male dog around so if it’s a silent heat I’ll know. Though she had a premature birth because my vet gave her a deworming drug when she was ill during pregnancy. You have any idea why she hasn’t been on heat yet?

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
2973 Recommendations
There are many causes for a female not to go into heat and it may be related to the premature whelping, hormonal imbalance, ovarian disorders among other causes; you should really have Roxy checked by your Veterinarian and have an ultrasound done to check the ovaries and the remainder of the reproductive tract. Without knowing the specific cause, I cannot recommend a solution. Regards Dr Callum Turner DVM

My female dog is suffering from breast pain with swollen and hot she is already ligated help plz

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riley
German Shepherd
1 Year
Mild condition
1 found helpful
Mild condition

Has Symptoms

none

my female German shepherd has not come in heat, she had her first cycle and i had her injected to prevent unwanted pregnancies but now she has not cycled again am worried the injection may have something to do with it

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
2973 Recommendations

The active ingredient in the injection may have a bearing on future heat cycles; if Riley hasn’t come into heat again, you should speak with your Veterinarian about the type of injection given to Riley and an examination, blood test and ultrasound may be required to determine the underlying cause. Regards Dr Callum Turner DVM

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betsy
shitzu
4.5yrs
Serious condition
2 found helpful
Serious condition

Has Symptoms

tummy

my shitzu is 4ys 6mths didnt get her period til now .gave her medicines whch didnt help.got usg done that shows a lump.doctor cnt say wether the lump is in the uterus or ovaries as ovaries are not visible in the usg .urine is normal.please sugest what to do .im very woried

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
2973 Recommendations

In this situation if there is a mass, it would be best to have an exploratory laparotomy so your Veterinarian can see the mass visually and remove the mass along with the uterus and ovaries. If Betsy hasn’t been in heat, a successful pregnancy isn’t likely and would be best to have her fixed. Regards Dr Callum Turner DVM

Our female went into heat and we thought she was pregnant , a month later my male will not leave her alone

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Terra
Rottweiler
3 Years
Fair condition
0 found helpful
Fair condition

Has Symptoms

Weight gain

Last heat was in september 2017
1st pregnancy. Pups was born on 15th November 2017.
After this heat didn't come till now. At the beginning of March volva was swollen and then went back to normal size.
Straight after pup's birth Terra had course of antibiotics

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
2973 Recommendations
Sometimes a heat cycle may be missed by an owner because it is a ‘silent heat’ or there may be a hormonal or other medical cause for the absence of heat; if Terra hasn’t been showing signs of heat, you should visit a Veterinarian for a breeding soundness examination including an ultrasound to look for a cause for the absence of a heat cycle. Regards Dr Callum Turner DVM

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Temmy
Yorkshire Terrier & Schnauzer Mix
5 Years
Moderate condition
0 found helpful
Moderate condition

Has Symptoms

none

I have a dog named Temmy and she’s 5-6 years old but the strange thing is she haven’t been going into heat for two years already. My family is planning to breed her but we couldn’t if she’s not in heat. Her heat cycle was all normal before but it stopped around 2 years ago. Not sure why it happened. I used to buy physiological pants for her but she’s not having her heat cycle. I’m not sure if it’s a silent heat or not. Also, I bought her a stick looking squeeze toy when she was younger, and I always see her thrusting her hips into the toy, is that normal? And please help me I need to know why she stopped her heat two years ago and it’s not coming back...

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
2973 Recommendations
There are many reasons why a dog may not go into heat or may have a silent heat, without a thorough examination and ultrasound of Temmy’s reproductive tract I cannot say what the specific cause is; hormonal imbalance, ovarian cysts, silent heat, tumours, poisoning among other causes may lead to a failure to come into heat. You should visit your Veterinarian for an examination to determine the cause; but if Temmy needs help to breed, it wouldn’t be responsible to do so. Regards Dr Callum Turner DVM

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Zoey
Golden Retriever
4 Years
Moderate condition
0 found helpful
Moderate condition

Has Symptoms

heat

My 4 year old Golden Retriever was showing signs of being in heat. She bleed 4 drops only 1 time and hasn’t bleed again since. She is swelled and the night she bleed she was interested in my male. Is this normal to bleed only once? Hear last heat was in February 2018.

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
2973 Recommendations
Dogs may have a light heat or even a silent heat (where no blood spots or signs of heat are seen), it isn’t unusual unless other symptoms present (fever, behavioural changes etc…). I would not worry about this unless any other symptoms present or there are no further heat cycles. Just a note: if you’re not planning on breeding her I would recommend having her spayed. Regards Dr Callum Turner DVM

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Peppa
Pit bull
1 Year
Fair condition
0 found helpful
Fair condition

Has Symptoms

none

My Pitbull Is One Year & 8 Months Old. She’s Been In Heat & Hasn’t Bled Once. Should I Be Worried About Any Of The Things Listed? I Really Need To Know. Because Shouldnt They Have Bled At 6 Months? Vet?

Dr. Michele King, DVM
Dr. Michele King, DVM
1397 Recommendations
Most dogs come into heat between 6 months and 18 months. Peppa may have had a heat, but it may have been very mild and not noticeable. I hope that she does well.

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Zoot of Castle Anthrax
McNab
10 Months
Fair condition
1 found helpful
Fair condition

Has Symptoms

no heat

I have a 10.5 month old McNab stock dog. She's ~37 lbs. She has not had her first heat yet as best as I can tell. In the description you guys mention that large/giant breeds may not go into heat for two years, but at what point is it concerning for a medium sized dog? I also have an intact male around, so I am assuming that if she had a silent heat he would have let me know, and that she has not gone into heat at all.

Dr. Michele King, DVM
Dr. Michele King, DVM
1397 Recommendations
It can be quite normal for a medium sized dog to go into heat anytime between 6 and 12 months. If she has not had a heat cycle by the time she is a year old, it would be worth having her examined by a veterinarian, and possibly have some hormone testing done to determine what is going on. I hope that all goes well for her.

Thank you Dr. King. I was just trying to think of other potential causes, and was wondering if the concept of Athletic Amenorrhea has an equivalent in canines? I do not work stock with my dogs, but we do a lot of ball, frisby, running, etc. and Zoot is therefore quite a fit dog. She is a very robust and healthy pup, and has not had any health concerns the vet has noticed in her appointments, hence my thinking that maybe the two could be tied together. Again, thank you for taking the time to comment here, if no change by 12 mos. I will ask my vet to do some investigating at her 1 year checkup.

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Paulie
German Shepherd
1 year 1/2 old
Mild condition
0 found helpful
Mild condition

I have my one year and half old german shepherd naned Pauli. And im wondering if i should be concerned that she hasnt got on heat by now her sister got on heat 2months ago?

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
2973 Recommendations
Not coming into heat isn’t a big concern, sometimes a dog will have a silent heat where the signs of being in heat are so slight that they are not noticed by the owner; other times there may be some medical reason for a dog not being in heat which may include hormonal disorders, ovarian cysts among other causes. If you have concerns, have your Veterinarian check Paulie over to be on the safe side; otherwise keep a close eye on her and her vulva for any changes. Regards Dr Callum Turner DVM

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Chanelle
Golden Retriever
14 Months
Moderate condition
0 found helpful
Moderate condition

Has Symptoms

not going into heat

my golden retriever Channel is 14 months this month but she never go into heat. should I be worried? we got her when she is 11 months old. i think her previous owner did not take good care of her, she in the cage until 11 months old, she has tooth decay, she's small than usual the size breed.

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
2973 Recommendations
She may not have been due for a heat cycle in the last three months or she may have had a silent heat; also nutritional deficiency, hormonal imbalances among other issues may also cause a dog to not come into heat. It would be best if you visited a Veterinarian for a general checkup and to pay particular interest to the reproductive tract; if you are not planning on breeding her (which I think you shouldn’t), you should have her spayed. Regards Dr Callum Turner DVM

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Isis
American bully
6 Years
Fair condition
0 found helpful
Fair condition

Has Symptoms

swollen vulva

My American Bully is about 6 years of age. She had 2 litters. Her last time coming into heat was October 2017. We expected her to come back into heat April 2018 and she hasn’t yet. In the beginning of the month her vulva was swollen but still never noticed a heat cycle. Any ideas?

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
2973 Recommendations
It is possible that Isis had a silent heat where the heat cycle was subtle with minimal signs (swollen vulva) to no signs at all; it is also possible that he cycle is a little delayed. Without examining her and performing a soundness examination I cannot tell you if there is anything wrong or not. Regards Dr Callum Turner DVM

Say there is a delay in her heat. How long can her delay take?

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Sadie
German Shepherd
3 Years
Moderate condition
0 found helpful
Moderate condition

Ihave a german shepherds whipet mis who os 3 years old amd have come into heat 5 times this year she just came out of heat less than a month ago and shes already coming back in she has experienced a great tragedy 2 weeks ago in the form of a house fire that she saw her daughter and her daughters litter burn im worried she hasnt been eating much at all but she typically doesnt go into heat so soon after the last

Dr. Michele King, DVM
Dr. Michele King, DVM
1397 Recommendations
Thank you for your email. If Sadie is coming back into heat so soon after her last cycle, she should be examined by your veterinarian to make sure that she isn't developing a uterine infection. Those can happen about 2-4 weeks after a heat cycle, and can become life threatening if not treated. Your veterinarian will be able to examine her, determine if she has a problem or not, and recommend any testing or treatment that might be necessary. I'm sorry for your recent loss, and hope that Sadie recovers well.

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