Do dogs menstruate? Dogs also have menstrual periods

Aug 03,2026
3Min

Dogs will menstruate

Female dogs will menstruate around 6-8 months old. This is a normal physiological phenomenon. All female mammals have menstrual cycles. Dogs are not seasonal breeding animals, but come into heat at certain intervals, with an average of 8 months. Different breeds, different geographical locations and environments have different times of estrus for dogs. Normal dogs go into estrus twice a year. Most female dogs go into estrus once in spring from March to May, and can go into estrus again in autumn from September to November.

Symptoms of menstruation in dogs

The female dog’s vagina will be swollen and red fluid will flow out, but the amount is not large. At this time, the female dog will frequently clean her vagina and may lick the blood clean. Female dogs will like contact with male dogs at this time.

How to deal with menstruation in dogs

You can buy menstrual pants specially made for dogs in pet stores, and you can just wear them directly. If you have strong hands-on skills, you can also wear homemade pants for your dog. This can prevent the dog's aunt from soiling the house and making it difficult to clean.

Notes on menstruation for dogs

1. Dogs have a long menstrual period and need nutritional supplements just like humans, especially blood-tonifying foods. Do not eat irritating foods.
2. During the dog’s menstrual period, the dog should be kept clean and hygienic to avoid infection of the reproductive system. The owner can clean it with warm water every day.
3. Dogs are weak during menstruation, so they should keep warm. Especially in winter, don’t let your dog get cold.
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