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In normally pregnant woman, gonadotropin...

In normally pregnant woman, gonadotropin activity shows high level of

A

Circulating FSH and LH to atimulate implanatation of embryo in uterus

B

Circulating hCG to stimulate endometrial thickening

C

Circulating hCG to stimulate estrogen and progesterone synthesis

D

FSH and LH to stimulate endometrial thickening.

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding the Question**: The question asks about the gonadotropin activity in a normally pregnant woman. Gonadotropins are hormones that stimulate the gonads (ovaries in females). 2. **Identifying Key Hormones**: In pregnancy, the key hormone produced is Human Chorionic Gonadotropin (HCG). This hormone is crucial for maintaining pregnancy. 3. **Role of HCG**: HCG is produced by the placenta shortly after implantation. Its primary role is to support the corpus luteum, which in turn produces progesterone and estrogen, essential for maintaining the uterine lining. 4. **Analyzing the Options**: - **Option A**: Circulating FSH and LH to stimulate implantation of the embryo in the uterus. (Incorrect, as FSH and LH levels drop during pregnancy.) - **Option B**: Circulating HCG to stimulate estrogen and progesterone synthesis. (Partially correct, but not the best answer.) - **Option C**: Circulating HCG to stimulate endometrial thickening. (Correct, as HCG helps maintain the uterine lining.) - **Option D**: FSH and LH to stimulate endometrial thickening. (Incorrect, as these hormones are not elevated during pregnancy.) 5. **Conclusion**: The correct answer is **Option C**: Circulating HCG to stimulate endometrial thickening. ---
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