I agree with Yorkie Mama. There is a thread prepared for those who are considered breeding. Read, take in the information, and decide if it is something you would want to do. I once wanted to do the same because it would be cute to have puppies running around. After reading up on it, I decided it's not for me, way to many risks.
Click here---->
http://www.yorkietalk.com/forums/yor...-answered.html