Menstrual cycle definition -  The  menstrual cycle  is the process of producing and releasing mature ova. also called t…

At the time of birth, the female reproductive system is immature. and develops maturity at puberty. the female reprodu…

Usually, only one child is produced at a time in mammalian species including humans. However, sometimes two or more ch…

Types of the birth process:- The actual process of birth occurs before the period of conception. The duration of the p…