★ 7.9
★ 0.0
★ 4.2
★ 5.9
★ 6.3
★ 6.2
★ 3.9
★ 6.0
★ 2.7
★ 4.9
★ 4.5
★ 2.2
★ 9.0
★ 4.7
★ 6.8
★ 6.1
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.
