Which one of the following statements is incorrect about menstrual cycle?
The first menstruation begins at puberty and is called menarche
Lack of menstruation may also occur due to some environmental factors like stress, poor health.
Corpus luteum secretes large amounts of progesterone which is essential for maintenance of endometrium.
In absence of fertilisation, corpus luteum degenerates in luteal phase and new follicles start developing immediately.
As we learn
Menarche -
The first menstruation begins at puberty and is called menarche