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Ovaries

A woman with ...

Question

A woman with regular menstrual cycle is not menstruating. Which one of the following is the most likely root cause of this?

A

Maintenance of the hypertrophical endometrial lining.

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B

Maintenance of high concentration of sex-hormones in the blood stream

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C

Retention of well-developed corpus luteum

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D

Fertilization of the ovum

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Solution

The correct option is D
Fertilization of the ovum

Menstruation does not take place if the ovum is fertilized

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Similar questions

Q. Which one of the following is the most likely root cause, why menstruation is not taking place in a human female, having regular menstrual cycle?

Q. Read the following statements about menstrual cycle and select correct statements.
(i) Lack of menstruation may be indicative of pregnancy.
(ii) The changes in the ovary and the uterus are induced by changes in the levels of ovarian hormones only.
(iii) LH surge induces ovulation.
(iv) If fertilization occurs, corpus luteum degenerates immediately.

Q. Some important events that occur during the menstrual cycle are given below. Arrange the events in a proper sequence and select the correct option.
(i) Proliferation of endometrial wall
(ii) LH surge
(iii) Secretion of estrogen
(iv) Secretion of progesterone
(v) Ovulation
(vi) Growth of corpus luteum
(vi) Degeneration of corpus luteum
(vii) Menstruation

Q. Which of the following hormones is essential for maintenance of the endometrial lining?

Q. Which one of the following is the most likely root cause, why menstruation is not taking place in regularly cycling human female?

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