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Two Questions: Can a dog be infertile and do female dogs have a period like human females do?
No sarcastic or rude answers, please. If I knew the answers I wouldn't be asking the question. Thanks!
Answer: Simply put yes and yes.
Female dogs have a heat cycle depending on the breed it can be every 6 months or once a year, and many do spot or bleed a little the younger the dog the more likely the spotting is to be heavier. However it is slightly different than a human period in that the dog bleeds before being fertile to prepare the womb while a human bleeds after once she is no longer fertile to flush the womb. Contrary to popular thought it is not during this bleeding that the female dog is fertile it is actually after the bleeding stops that she is ready to be bred hence why so many accidental breedings occur when people say well she was done bleeding I thought she was out of heat. A dog will stay in heat for up to one week after the bleeding stops (depending on the dog most its only a couple of days)
This is the time to be extra vigilant about keeping her away from other dogs if a pregnancy is not desired.
And as for fertility yes any animal is capable of being infertile.
