what are the hormones p and q? What are the roles of these hormones in menstural cycle?  explain all the hormonal changes(CHANGES IN LVELS OF LH, FSH,ESTROGEN AND PROESTRONE) takes place during menstrual cycle?? pls give very detailed asnswer.

Asked by Divyaa | 6th Nov, 2016, 10:12: PM

Expert Answer:

The hormones 'p' and 'q' are estrogen and testosterone respectively. Estrogen stimulate the uterus to prepare for possible fertilization. Testosterone plays a significant role in balancing hormones during the menstrual cycle by working alongside estrogen and progesterone.The interaction with estrogen and progesterone causes testosterone to affect menstruation or to stop it completely.
Hormonal Changes during menstrual cycle

1. Menses takes place on the 3rd –5th day of the menstrual cycle of 28 days. The production of LH is considerably reduced. This causes degeneration of the corpus luteum and reduction in the production of progesterone and  oestrogen.

2. The follicular phase begins on the 6th and lasts up to the 13th or 14th day in a 28- day menstrual cycle. FSH stimulates the ovarian follicle to secrete oestrogen.

3. At about the 14th day of the menstrual cycle, both FSH and LH attain a peak level. Rapid secretion of LH induces rupturing of the Graafian follicle and the release of the ovum (ovulation).

4. The luteal phase begins on the 15th and lasts up to the 28th day in a 28 -day menstrual cycle. LH causes ovulation. The remaining cells of the ovarian follicles are stimulated by LH to develop the corpus luteum. 

The corpus luteum secretes a large amount of progesterone which stimulates the uterine glands to produce an increased amount of watery mucus


Answered by Sivanand Patnaik | 7th Nov, 2016, 08:31: AM