Menstrual Cycle

Question 1

Hormones controlling menstrual cycle

Answer 1

Progesterone- forms corpus luteum and maintenance of endometrium
Luiteinising hormone- stimulates secretion of oestrogen and progesterone

Question 2

Menstrual cycle

Answer 2

Menstruation 1-4= uterine bleeding and shedding of endometrium
Preovulation 5-12= endometrial repair, ovarian follicle, uterine follicle thickens
Ovulation 13-15= rupture of mature follicle and release of mature egg
Secretion16-20= section if waxy mucus! movement and breakdown of unfertilised egg, corpus luteum develops
Premenstruation 21-28= degeneration it corpus luteum and deterioration of endometrium