Pregnancy
The Woman During Pregnancy
The Three Stages of PregnancyA human pregnancy lasts 9 months, and, in order to understand and describe it better, one traditionally divides it into three stages of equal length (trimesters), each lasting 3 months.
[Course 2] [Description] [How to use it] [Introduction] [Conception] [Pregnancy] [Beginning] [Development] [During Pregnancy] [Birth] [Infertility] [Contraception] [Abortion] [Additional Reading] [Examination]
