插圖:胚胎發育 Illustration: Development of Embryo
4 周(4 weeks)
5 周(5 weeks)
6 周(6 weeks)
7 周(7 weeks)
8 周(8 weeks)
[Course 2] [Description] [How to use it] [Introduction] [Conception] [Pregnancy] [Beginning] [Development] [During Pregnancy] [Birth] [Infertility] [Contraception] [Abortion] [Additional Reading] [Examination]