Miscarriages are more common than we realize. Often women deal with their grief alone -- and wonder whether there was something they could have done to change the outcome. We asked San Francisco-based Choice Mom sponsor Laurel Fertility Care to explain why miscarriages happen, and how age factors in.

Egg and sperm donor banks must adhere to certain safety standards, related to infectious disease testing. However, the donors themselves are not required to have genetic testing. That's why it's important for you to know the standards of the bank you want to work with -- and know what questions to ask.

One advantage of sperm donor conception is that you are looking at your eggs and a donor's sperm much more scientifically than if you were conceiving with a man you fell in love with. That means you have tools at your disposal to prevent potential medical problems for your child. Your sperm bank might have evaluated your donor’s family history, but have you had yours evaluated as well?

Nothing seems lonelier than coping with a pregnancy loss on your own. This growing audio library is for the single women dealing with miscarriage.