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Cinderella York · 03-13-2013, 07:15 AM

I had one female go into her first heat a week before she turned 8 months and their vet was even surprised. The usual time frame for a first heat is 9 to 12 months of age. If they go into heat before they are spayed then you should wait 2 months until everything shrinks back to normal. Progesterone is produced where you breed a female or not and can be hard on the uterus if you continue to skip heats without breeding. As a breeder my vet advices to breed every heat starting at the second heat. I retire my girls at 6 and get them spayed.

03-13-2013, 07:15 AM	#20
Cinderella York Yorkie Talker Join Date: Oct 2010 Location: Wainfleet Ontario Canada Posts: 12	I had one female go into her first heat a week before she turned 8 months and their vet was even surprised. The usual time frame for a first heat is 9 to 12 months of age. If they go into heat before they are spayed then you should wait 2 months until everything shrinks back to normal. Progesterone is produced where you breed a female or not and can be hard on the uterus if you continue to skip heats without breeding. As a breeder my vet advices to breed every heat starting at the second heat. I retire my girls at 6 and get them spayed.