简介:It seems simple: an egg + sperm = one embryo. But if your sperm is few, vague and abnormal" and your woman is premenopausal at age 37, things start to get plicated.
It seems simple: an egg + sperm = one embryo. But if your sperm is few, vague and abnormal" and your woman is premenopausal at age 37, things start to get plicated.