During a menstrual cycle, the levels of LH and estradiol are highest A. Just at the...
During a menstrual cycle, the levels of LH and estradiol are highest
A. Just at the end of the follicular phase
B. At the beginning of the luteal phase
C. At the end of the luteal phase
D. During menstruation.
Homework Answers
Answer is A
There are four phases in menstrual cycle in the following sequence - Menstrual phase, follicular phase,
Ovulatory phase and luteal phase. Ovulation that occurs on 14th day is due to LH surge. This sudden
increase in LH secretion is secondary to rise in oestrogen concentration. Oestrogen surge occurs at
12-13 days and LH surge within 24 hours of oestrogen surge. So their levels are highest just before
ovulation that is end of follicular phase. We also see another peak in oestrogen level in luteal phase.
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During a menstrual cycle, the levels of LH and estradiol are
highest
A. Just at the...
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