Lactational Amenorrhea is a method of contraception. Justify. What is the maximum effectiveness of this method in terms of period/duration?

Explanation

### Step-by-Step Solution:

1. **Definition of Lactational Amenorrhea**:
- Lactational Amenorrhea refers to the absence of menstrual periods (amenorrhea) in a woman who is exclusively breastfeeding her infant. This condition occurs due to hormonal changes that suppress ovulation.

2. **Mechanism of Action**:
- When a mother breastfeeds, it stimulates the hypothalamus in the brain. This stimulation leads to the release of hormones that inhibit the production of gonadotropin-releasing hormone (GnRH). As a result, the pituitary gland does not release follicle-stimulating hormone (FSH) and luteinizing hormone (LH), which are essential for ovulation.

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