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When do female dogs get their menstrual cycle2007-11-25 2:54:43Answers:

This veterinary medicine site (LSU School of Veterinary Medicine) I found said dogs go through the estrous cycle, not the menstrual cycle. It starts at around 6-24 months.

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When they come in heat. That's when they get pregnant.

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It usually starts when they are six months old and they get it twice a year, ie, every six months. it usually last for about 3 weeks but they will only bleed for a week. If you are wanting to breed with her you have to wait until the blood stops and a clear serum starts.

If you dont want to breed with her have her desexed.

It prevents unwanted pregnancies, and belive me a male dog will do anything, and i mean anything to get to a dog in heat it also prevents serious diseases later in life.

Good luck!

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Never if you get them spayed like a responsable owner. :) Their first one is usually around 6 months, but if you get her spayed before you can lessen the chance (and eliminate some) of dealing with cancer later in life.

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every six months

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It's called a heat cycle or a season. Not a menstral cycle.

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Never, since only primates have menstrual cycles. However, they typically have their estrous cycles twice a year, once in the spring and once in the fall, beginning sometime between 6 months and 1 year of age.

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Yes they do.

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They don't... because they do NOT go through the menstrual cycle. They go through the estrous cycle. That starts at around 6-8 months. Yes, there can be a bloody discharge, but it isn't the same as species that experience the menstrual cycle.

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Yes it is called in heat. Different dogs go into heat at different times. It usually is twice a year, lasting 2-3 weeks. Just depends on the dog.

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First time approx 6 months. If you get her spayed then never..

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The Pets information post by website user , PetQnA.com not guarantee correctness.