On which day of the normal menstrual cycle, ovulation occurs ?

Explanation

**Step-by-Step Solution:**

1. **Understanding the Menstrual Cycle**: The normal menstrual cycle typically lasts about 28 days, although it can vary among individuals. It consists of various phases, including menstruation, the follicular phase, ovulation, and the luteal phase.

2. **Identifying the Phases**: The cycle starts with menstruation, which lasts for about 3 to 5 days. After menstruation, the follicular phase begins, during which follicles in the ovaries mature.

3. **Follicular Phase Duration**: The follicular phase lasts from day 1 (the first day of menstruation) to around day 14. During this phase, the primary follicles develop into secondary and then into mature Graafian follicles.

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