Peak secretion of estrogen occurs :

Options

A. Just before ovulation
B. Mid luteal phase
C. At the time of ovulation
D. Secretion at the same rate during all phases of menstrual cycle

Answer

**Step-by-Step Solution:**

1. **Understanding the Menstrual Cycle Phases**: The menstrual cycle consists of several phases: the follicular phase, ovulation, the luteal phase, and menstruation. Each phase is characterized by different hormonal changes.

2. **Identifying Estrogen Secretion**: Estrogen is primarily secreted by the developing follicles in the ovaries. Its levels fluctuate throughout the menstrual cycle, peaking at specific times.

3. **Analyzing the Phases for Peak Estrogen**:
- **Follicular Phase**: During this phase, follicles develop, and estrogen levels begin to rise, but they are not at their peak yet.
- **Ovulation**: Just before ovulation, estrogen levels are at their highest. This surge in estrogen is crucial as it triggers the release of the luteinizing hormone (LH), which leads to ovulation.
- **Luteal Phase**: After ovulation, estrogen levels do rise again, but they do not surpass the levels seen just before ovulation.

4. **Conclusion**: The peak secretion of estrogen occurs just before ovulation, as this is when the estrogen levels are highest in preparation for the release of the ovum.

5. **Final Answer**: Therefore, the correct answer is that peak secretion of estrogen occurs just before ovulation.

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