In a human a foetus is the unborn offspring that develops from an embryo. This development begins from the ninth week after fertilisation or the eleventh week gestational age, continuing until birth.

Follicular Phase

The follicular phase, also known as the preovulatory phase or proliferative phase is the phase of the oestrous cycle during which follicles in the ovary mature from primary follicle to a fully mature graafian follicle. It ends…