Which hormone is mainly responsible for ovulation ?

Answer

**Step-by-Step Solution:**

1. **Understanding Ovulation**: Ovulation is the process where a mature egg (ovum) is released from the ovary. This is a crucial step in the female reproductive cycle as it prepares the body for potential fertilization.

2. **Timing of Ovulation**: Ovulation typically occurs around the mid-point of the menstrual cycle, which lasts about 28 days. Therefore, ovulation usually happens around day 14 of the cycle.

3. **Role of Hormones**: The release of the ovum is regulated by hormones. Specifically, certain hormones are responsible for triggering the ovulation process.

4. **Identifying the Key Hormone**: The hormone primarily responsible for inducing ovulation is Luteinizing Hormone (LH). LH is secreted by the pituitary gland and reaches its peak levels during the mid-cycle of the menstrual cycle.

5. **Mechanism of Action**: As LH levels rise, it causes the rupture of the Graafian follicle in the ovary, leading to the release of the mature egg.

6. **Conclusion**: Therefore, the hormone that is mainly responsible for ovulation is Luteinizing Hormone (LH).

**Final Answer**: Luteinizing Hormone (LH)

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