Based on the peak levels of hormone X, on what day of the cycle is ovulation most likely to occur?
Correct answer: B. Day 14
- A. Day 21
- B. Day 14
- C. Day 12
- D. Day 25
- E. Day 28
Explanation
Peak of LH hormone occurs at 14th day. So, the ovulation occurs at 14th day.
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About Menstrual Cycle
The menstrual cycle covers the coordinated changes in the ovaries and uterus, including menstruation, follicular growth, ovulation and corpus luteum formation. It links follicle-stimulating hormone, luteinizing hormone, oestrogen and progesterone with endometrial changes, and distinguishes the ovarian cycle from the uterine cycle and the hormonal events of pregnancy.
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Menstruation, the shedding of the lining of the uterus (endometrium), is accompanied by:
Follicle-stimulating hormone, which is produced by the pituitary gland, stimulates the ovaries to produce:
Luteinizing hormone, which is produced by the pituitary gland, promotes ovulation and stimulate the ovaries to produce:
The follicle cells, after release of the egg, are modified to form a special structure called:
Which of the following hormones of the pituitary gland regulates the menstrual cycle?
After ovulation, Graafian follicle regresses into: