When a human fema

(a) (i) It is known as menstruation in scientific terms.

(ii) It is known as periods in everyday language.

(b) The process of menstruation begins at Puberty.

(c) The onset of menstruation in human female signify that the reproductive system of human female has started working.

(d) In the beginning of pregnancy, the process of menstruation stops temporarily but starts again.

(e) When menstruation stops permanently, it is termed menopause.