Which one of the following statements is incorrect about menstrual cycle ?

Options

A. The first menstruation begins at puberty and is called menarche
B. Lack of menstruation may also occur due to some environmental factors like stress , poor heath
C. Corpus luteum secretes large amounts of progesterone which is essential for maintenance of endometrium
D. In absence of fertillisation ,corpus luteum degenerates in luteal phase and new follicles start developing Immediately ?

Answer

D