What are the signs of a dog’s menstrual period? How long is a dog’s menstrual period?

Jul 26,2025
2Min

Physical manifestations of dogs during their menstrual period

Generally speaking, when a female dog is in estrus, blood will flow out of the vagina similar to that of the menstrual period, and the vagina will be redder and more swollen than during the resting period. Some female dogs have a gap between the anus and the vagina. It will also swell. Dogs will feel uncomfortable and swollen vaginas, and most dogs will lick their vaginas fiercely to clean up the blood and water discharged during menstruation.


The behavior of dogs during their menstrual period

In terms of behavior, in addition to the behavior of dogs licking their genitals, careful owners will feel that their dogs are more agitated than usual. , wants to go out, likes gentle touch, and is quite clingy. When it comes to eating, dogs eat their food in portions. When a male dog sees a female dog in heat, he will show greedy expressions and actions just like a beast seeing a beautiful woman.


How long is the cycle of a dog’s menstrual period?

The estrus period of a female dog lasts about fourteen days. She will go into estrus once every six months. The first time she starts going into estrus is usually four months. As old as over one year old. However, dogs and humans have different physiques. Some dogs’ menstrual period lasts for several days, and dogs’ menstrual blood is drop by drop. If the dog is a small dog, the amount of menstrual blood will not be much, but it will be more for a large dog. It will be difficult to detect if the owner is not paying attention.
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