Cleavage in the mammalian egg is $.........$.

Which of the following is a female hormone?

Ovulation takes place in/on

At menopause,there is a rise in the urinary excretion of:

Some important events in the human female reproductive cycle are given below. Arrange the events in a proper sequence. $A \rightarrow$ secretion of $FSH$,$B \rightarrow$ growth of corpus luteum,$C \rightarrow$ growth of the follicle and oogenesis,$D \rightarrow$ ovulation,$E \rightarrow$ sudden increase in the level of $LH$.

The sex of a fetus can be determined by examining the cells of the amniotic fluid for the presence of: