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Estrogen induces a biphasic feedback on the gonadotropin releasing. In the first phase (it is discussed whether the phases are separated by time or by estrogen levels) it induces an negative feedback on both FSH and LH. The inhibition of FSH is more evident in this case. In the second phase the feedback is positive. In contrary the positive feedback is much more evident in the LH level.
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How does oestrogen affect FSH?
Oestrogen is produced by the ovaries and inhibits(stops) the further production of FSH.
What hormone stimulates oestrogen production?
FSH-Follicle stimulating hormone
What does FSH cause?
It causes an egg to mature in the ovary and stimulates the production of oestrogen.
What effect does oestrogen have on the production have on the follicle hormone?
it reduces the levels of FSH - negative feedback loop
What does the FSH stimulate in women?
High levels of the hormone oestrogen stimulates the production of FSH hormone in women.
What is the job of FSH?
tells you when the ovary kicks out the egg.
How can FSH be the cause of not producing eggs?
FSH, secreted by the Pituitary gland,stimulates the secretion of Oestrogen from the ovaries, Oestrogen in turn stimulates the secretion of LH by the pituitary and inhibits the secretion of FSH, LH then stimulates ovulation (the release of an egg). Without FSH this chain reaction does not happen.
Which hormone is likely to be found in oral contraceptives?
The oral contraceptive, 'the pill', greatly reduces the chances of mature eggs being produced. The pill contains oestrogen, or oestrogen and progesterone. These hormones inhibit the production of FSH, which in turn stops eggs maturing in the ovaries.
How does FSH stop you from producing eggs?
it tells the ovaries to make oestrogen which then helps mature and egg. the oestrogen then tell the pituitary gland to stop making FSH and make LH. LH then makes the ovaries release eggs =] hope this helped! [=
What effects would low FSH levels have on sperm production?
Follicle Stimulating Hormone stimulates follicle and egg maturation in females and stimulates sperm production and maturation in males. Therefore low levels of FSH slows spermatogenesis.
What regulates estrogen and progesterone?
LH ( luteinising hormone) is stimulated by oestrogen and secreted by the pituitary gland. As oestrogen levels rise it will inhibit the production of FSH (follicle stimulating hormone) and will encourage the production of LH. As LH rises to a peak in the middle of the menstrual cycle, they will stimulate the release of a mature egg.
What are the male sex hormone?
Testosterone, oestrogen, Fsh, LH,prolactinThere are two primary ones: Testosterone, and androgen.
