The phase of menstrual cycle in humans that lasts for 7-8 days, is

Options

A. Follicular phase
B. Ovulatory phase
C. Luteal phase
D. Menstruation

Answer

To determine the phase of the menstrual cycle in humans that lasts for 7-8 days, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Menstrual Cycle**: The menstrual cycle consists of several phases: the follicular phase, ovulatory phase, luteal phase, and menstruation.

2. **Identify the Duration of Each Phase**:
- **Follicular Phase**: This phase typically lasts for about 7 to 8 days.
- **Ovulatory Phase**: Ovulation occurs around the 14th day of the cycle.
- **Luteal Phase**: This phase lasts for approximately 12 to 14 days.
- **Menstruation**: This phase can last from 2 to 7 days.

3. **Analyze the Options**:
- **Option A (Follicular Phase)**: Lasts for 7-8 days.
- **Option B (Ovulatory Phase)**: Occurs on the 14th day, not lasting 7-8 days.
- **Option C (Luteal Phase)**: Lasts for 12-14 days, not 7-8 days.
- **Option D (Menstruation)**: Lasts for 2-7 days, not 7-8 days.

4. **Conclusion**: Based on the durations identified, the phase of the menstrual cycle that lasts for 7-8 days is the **Follicular Phase**.

### Final Answer:
The phase of the menstrual cycle in humans that lasts for 7-8 days is the **Follicular Phase**.

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