When do Dogs Start to Menstruate?

Answer

Most dogs start to menstruate between 8 months to 1 year of age. A dogs menstrual cycle is also known as 'going into heat'. When a dog goes into heat, it can last from 2 to 3 weeks depending on the dog.
Q&A Related to "When do Dogs Start to Menstruate?"
In dogs menstruation is referred to as in heat. Most female dogs will come in heat at the early age of six months. She will become in heat once to twice a year & it will last
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Never. They go into the Estrus cycle anytime around and after 6 months old, and then approx. every 6 months until either spayed or dead. Estrus is the exact opposite of Menstruation
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Bloating is a common effect of menstruation, but swollen feet also can occur. It is a problem that will pass after the completion of a woman's cycle, but it also can be troublesome
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On average, most girls start their periods when they're 12 or 13 years old
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1 Additional Answer
Dogs will typically hit their first heat between 7 and 10 months old. It's fairly early, and it's definitely recommended to wait until their second or even third round of being in heat before you decide to breed the dog.
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