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.

猜你喜欢

834
913
694
676
42
987
164
366
551
355

相关热播

92
984
22
425
625
766
304
942
867

影片评论

首页

电影

电视剧

综艺

动漫