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STatiana [176]
3 years ago
15

Why an LH/FSH spike may occur using the estrogen feedback loop

Biology
1 answer:
Vilka [71]3 years ago
6 0

<u>Answer:</u>

<em>An LH spike occurs during oestrogen feedback loop because the pituitary gland  positively responds to the high level of oestrogen </em>and produces more LH.

During the ovulatory phase the amount of hormones like oestrogen, follicle stimulating hormone and Leutenising hormone are high. <em>FSH enables the formation of follicles and LH enables the rupture of matured follicle and release of ovum into the oviduct. </em>

In the middle of menstrual cycle when the amount of oestrogen is high pituitary gland give <em>a positive feedback by producing more LH.</em>  

<em>This is called LH surge.</em> By this time primary follicles would have matured into graffian follicle and would be holding the ovum. <em>LH surge causes the follicle to rupture and the ovum gets released into the oviduct.  </em>

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