Two Easy Ways to Start Earning Rewards!
Become a member today!
Members-only pricing and offers, personalized care notifications, Vital Care points back on every purchase and more!
Already a member? Sign in
Become a credit card member today!
Earn 2X Pals Rewards points at Petco
when you use Petco Pay!
APPLY NOW
Learn More About Petco Pay Benefits

Is it normal for my dog to go into heat again after only 3 months?

Updated on September 23rd, 2025

Pet's info: Dog | Japanese Spitz | Female | spayed | 2 years and 7 months old | 11 lbs

Is it normal for dog to go in heat after 3 months? As I remember she had last 3 months ago but I am not sure. Should she be okey?

4 Answers

Most Helpful Answer

Answered By Angel Alvarado, LVT

Licensed Veterinary Technician

Published on May 2nd, 2018

No, dogs typically have a heat cycle every 6 months. That said, some dogs may have more than two. Diet, stress and general health may also play roles in heat cycles. Consider an exam with your veterinarian to diagnose and treat any medical causes if necessary. If Joshie is not a show dog or a breeding dog, consider having her spayed to prevent future cycles and uterine infection when she is older.

3Pet Parents found this answer helpful

Related Answers from Veterinarians

Answered By David Elbeze, DVM, MRCVS
Veterinarian
Published on January 26th, 2018
It is a little early, it usually takes 6 months between heat cycle, but it is still possible. if the heat cycles will be happening every 4 months from now on, then there could be an hormonal condition such as cystic ovaries for example.
2Pet Parents found this answer helpful
Answered By Angel Alvarado, LVT
Licensed Veterinary Technician
Published on November 14th, 2017
Not unless she is symptomatic (lethargy, vaginal discharge, etc). Most female dogs will go into heat around 6 months of age. Some can go sooner, some later. Large breeds may go a year before having a heat cycle.
1Pet Parents found this answer helpful
Answered By Andrea M. Brodie, DVM
Veterinarian
Published on July 30th, 2018
Dogs do not come into heat on an exact date. I suggest you have Naughty examined by your vet to make sure there is no infection and that she is healthy. Your vet should be able to tell you at what stage of her sexual cycle she is at this time by taking a vaginal swab and examining it under the microscope.
1Pet Parents found this answer helpful

Smart Picks for Smart Questions

Related Questions

My female dog is spotting. Is this a sign of heat or something else?

No, this isn't normal to spot before going into heat. Dogs typically go into heat every six months, but they can go into heat sooner than that. It could be that Jada is going into heat now, or she could have something more wrong with her such as vaginitis or a pyometra (a life threatening infection of the uterus). Because I can't see her in person to say what is going on, I do think a visit with the vet on Monday is best to make sure everything is ok. If you see other signs such as vomiting, anorexia, thick discharge from the vaginal area, a swollen abdomen, increased thirst, and/or lethargy (all signs of a pyometra), take her into vet immediately. Good luck, I hope this helps!

Updated on September 23rd, 2025

Is my 9-month-old dog's long heat cycle normal? Could she be pregnant?

Thank you for submitting your question regarding Akira. The heat cycle in a dog will typically last 18-21 days. Dogs usually become receptive to a male dog during the middle of the cycle, but every dog will be different. It is possible for her to have become pregnant if she was left alone with an intact male dog. I would supervise her carefully for the remainder of her cycle. I hope this information helps!

Updated on September 23rd, 2025

Training & Behavior

Is my 7-month-old female dog humping because she's in heat?

Yes it is normal, as Miley Jane is about the right age to come into heat for the first time. If you do not want puppies, I recommend having her spayed as soon as she is out of heat, which is typically within three weeks. I would keep her isolated from any intact male dogs during this time, even if you plan on breeding her at some point. It is never recommended to breed a dog on their first heat because they are not fully grown both physically or mentally. It's recommended to wait until a dog is at least two years before mating her. Have her seen by a vet soon if you want to spay her.

Updated on September 23rd, 2025

When does a female puppy typically experience her first heat cycle?

Great questions! Dogs can go into heat for the first time anytime after six months. It is never recommend to breed a dog on their first heat because they aren't fully mature emotionally or physically. It's best to breed them on their second or third heat for the first time. Speak to your vet about screening Mia for potential genetic health problems, and whatever dog you want to mate her with should have the same done. This prevents genetic diseases from being passed to the next generation. I hope this helps!

Updated on September 23rd, 2025

Health & Wellness

My cat is always in heat. Is this normal or a sign of a health issue?

Unspayed cats over 6 months of age will generally have a heat cycle every 1-6 weeks (on average every 3 weeks). This does not indicate cystic ovaries and pyometra (an pus filled uterus) is generally more of a concern in unspayed dogs and not generally a concern in cats. Unwanted litters and overpopulation is often a concern however, so having Hermionine spayed is recommended if she is in contact with male cats that you do not want her to breed with. Good luck!

Updated on September 23rd, 2025

Why isn't my 3-year-old female dog going into heat? Is it serious?

She may be extremely clean and you might not notice when she is in heat. If you intend to breed her I suggest you have her examined by a theriogenologist or veterinarian specialised in dog breeding . She may not be cycling due to ovarian cysts, or may be missing ovaries, or have hormonal problems.

Updated on September 23rd, 2025

Health & Wellness

My young female dog has blood and a male won't leave her alone. Is she in heat?

Based on what you are describing it sounds like it. Although 6 months is average, every dog is different and it can start earlier than this. So be careful if Kashi is intact because you could have an accidental breeding if not careful. I hope this helps and thank you for using Petco Pet Education Center, formerly Petcoach!

Updated on September 23rd, 2025

Have A Vet Question?

Book an appointment with the pros – our expert vets are here to help.

Share