Most important component of oral contraceptive is :

Options

A. Thyroxine
B. Luteinizing hormone
C. Progesterone
D. Growth hormone

Answer

To solve the question "Most important component of oral contraceptive is:", we can follow these steps:

### Step 1: Understand the Purpose of Oral Contraceptives
Oral contraceptives are medications taken by females to prevent pregnancy. They are commonly referred to as birth control pills.

**Hint:** Think about why women take oral contraceptives and what they aim to achieve.

### Step 2: Identify the Components of Oral Contraceptives
Oral contraceptives typically contain hormones. The most common hormones found in these pills are estrogen and progesterone.

**Hint:** Recall the hormones involved in the female reproductive system and their roles.

### Step 3: Analyze the Given Options
The options provided are:
- Thyroxine
- Luteinizing hormone
- Progesterone
- Growth hormone

Among these, we need to determine which is the most important component of oral contraceptives.

**Hint:** Consider which of these hormones is primarily associated with the regulation of the menstrual cycle and pregnancy prevention.

### Step 4: Determine the Most Important Component
Oral contraceptives primarily contain either progesterone alone or a combination of progesterone and estrogen. Progesterone plays a crucial role in preventing ovulation and maintaining the menstrual cycle.

**Hint:** Focus on the hormone that directly influences ovulation and the menstrual cycle.

### Step 5: Conclude the Answer
Based on the analysis, the most important component of oral contraceptives is **Progesterone**.

**Final Answer:** Progesterone (Option 3).