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 complicated....
Marta may be an orphan, and she may be affected by a lethal illness, yet she is the most positive person one can meet. She wants a boy to fall for her. Not any boy - the most handsome of them all. One...