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Why cannot a woman get pregnant again du...

Why cannot a woman get pregnant again during pregnancy?

A

A woman ovulates during pregnancy, but the oviducts are plugged with protective mucus to prevent sperm from entering

B

High level of hCG in woman's bodies kill sperm.

C

A woman cannot have intercourse during pregnancy due to the presence of a protective mucus plug that develops in the cervix.

D

High levels of estrogen and progesterone, secreted by the corpus luteum or placenta during pregnancy. Inhibit the secretion of gonadotropins and prevent ovulation.

Text Solution

Verified by Experts

The correct Answer is:
D
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NCERT FINGERTIPS-HUMAN REPRODUCTION-Human Reproduction
  1. Structure connecting the fetus to placenta is

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  2. The main function of trophoectodrm

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  3. Why cannot a woman get pregnant again during pregnancy?

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  4. Fetus gets nourishment and oxygen through

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  5. hCG, hPL and relaxin are produced in women

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  6. Which of the following hormones is not a secretory product of human pl...

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  7. Urine test during pregnancy determines the presence of

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  8. In a normal pregnant woman, the amount of total gonadotropin activity ...

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  9. In the event of pregnancy, the corpus luteum persists under the influe...

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  10. During the development of embryo, which of the following occurs first?

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  11. Given below are four statements each with one or two blanks. Select th...

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  12. Identify the correctly matched pair/pairs of the germ layers and their...

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  13. Fill the blanks in the given statements and select the correct option ...

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  14. The structures derived from extoderm are (i). Pituitary gland (ii)...

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  15. Gastrula is the embryonic stage in which

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  16. In the development of the human body, the ectoderm is responsible for ...

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  17. Slect the option that correctly fills up the blanks in the given parag...

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  18. The first movements of the fetus and appearance of hair on its head ar...

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  19. The early stage human embryo distinctly possesses

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  20. Deliver of developed fetus is scientifically called

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