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During menstrual cycle, in a non-pregnant female, event unlikely to occur is
- a)Shedding of endometrium due to reduced level of progesterone
- b)Ovulation in mid of the cycle
- c)Positive feedback by progesterone causing LH surge
- d)Repair of endometrium under estrogen influence
Correct answer is option 'C'. Can you explain this answer?
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During menstrual cycle, in a non-pregnant female, event unlikely to o...
Explanation:
Positive feedback by progesterone causing LH surge:
- During the menstrual cycle, progesterone typically inhibits the release of luteinizing hormone (LH) by the pituitary gland.
- This negative feedback mechanism helps regulate the levels of sex hormones during the cycle.
- A positive feedback loop where progesterone causes a surge in LH levels is not a normal event during the menstrual cycle in a non-pregnant female.
- Such an event could disrupt the normal hormonal balance and lead to irregularities in the cycle.
In contrast, the other options are all normal events that occur during the menstrual cycle:
- Shedding of the endometrium due to reduced levels of progesterone is part of the menstrual phase.
- Ovulation in the middle of the cycle typically occurs around day 14 and is crucial for fertility.
- Repair of the endometrium under the influence of estrogen is necessary to prepare for potential implantation of a fertilized egg.
Therefore, the occurrence of a positive feedback loop by progesterone causing an LH surge is unlikely and not a usual event during the menstrual cycle in a non-pregnant female.
Positive feedback by progesterone causing LH surge:
- During the menstrual cycle, progesterone typically inhibits the release of luteinizing hormone (LH) by the pituitary gland.
- This negative feedback mechanism helps regulate the levels of sex hormones during the cycle.
- A positive feedback loop where progesterone causes a surge in LH levels is not a normal event during the menstrual cycle in a non-pregnant female.
- Such an event could disrupt the normal hormonal balance and lead to irregularities in the cycle.
In contrast, the other options are all normal events that occur during the menstrual cycle:
- Shedding of the endometrium due to reduced levels of progesterone is part of the menstrual phase.
- Ovulation in the middle of the cycle typically occurs around day 14 and is crucial for fertility.
- Repair of the endometrium under the influence of estrogen is necessary to prepare for potential implantation of a fertilized egg.
Therefore, the occurrence of a positive feedback loop by progesterone causing an LH surge is unlikely and not a usual event during the menstrual cycle in a non-pregnant female.
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Community Answer
During menstrual cycle, in a non-pregnant female, event unlikely to o...
There is positive feedback of estrogen in mid cycle, causing LH surge.
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During menstrual cycle, in a non-pregnant female, event unlikely to occur isa)Shedding of endometrium due to reduced level of progesteroneb)Ovulation in mid of the cyclec)Positive feedback by progesterone causing LH surged)Repair of endometrium under estrogen influenceCorrect answer is option 'C'. Can you explain this answer?
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