Descending of testis into scrotal sac occur during

Options

A. 3rd month of gestation
B. 5th month of gestation
C. 7th month of gestation
D. after birth of foetus

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks when the descent of the testes into the scrotal sac occurs during embryonic development.

2. **Embryonic Development Overview**: During embryonic development, the testes initially develop in the abdominal cavity and later descend into the scrotal sac.

3. **Timing of Testes Descent**: The descent of the testes typically occurs during the 7th month of gestation. This is a crucial phase in male embryonic development.

4. **Significance of the 7th Month**: By the 7th month, the embryo is considered partially mature, and the descent of the testes is a significant indicator of male sex differentiation.

5. **Elimination of Other Options**:
- In the 3rd month of gestation, hair development begins but the testes have not yet descended.
- In the 5th month, fetal movements can be felt, but again, the testes have not descended.

6. **Conclusion**: Therefore, the correct answer to the question is that the descent of the testes into the scrotal sac occurs during the 7th month of pregnancy.

**Final Answer**: The descent of the testes into the scrotal sac occurs during the 7th month of gestation.

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