Hormone responsible for the development of secondary sexual characters of female is

Options

A. Progesterone
B. Oxytocin
C. Estrogen
D. Androgen.

Answer

To determine the hormone responsible for the development of secondary sexual characters in females, we can follow these steps:

### Step-by-Step Solution:

1. **Understand Secondary Sexual Characters**:
- Secondary sexual characters in females include features such as a relative lack of body hair, thicker hair on the head, rounded hips, development of breasts, a shrill voice, and increased body fat in certain areas.

2. **Identify the Hormones**:
- The options provided are:
- A) Progesterone
- B) Oxytocin
- C) Estrogen
- D) Androgen

3. **Evaluate Each Hormone**:
- **Progesterone**: Primarily involved in preparing the endometrium for pregnancy and maintaining it. It does not primarily influence secondary sexual characteristics.
- **Oxytocin**: Involved in childbirth and lactation, but does not play a role in the development of secondary sexual characteristics.
- **Estrogen**: A key hormone in females that promotes the development of secondary sexual characteristics, assists in the menstrual cycle, and supports endometrial growth.
- **Androgen**: Typically associated with male characteristics; while present in females, it does not primarily drive the development of female secondary sexual traits.

4. **Conclusion**:
- Based on the evaluation, **Estrogen** is the hormone responsible for the development of secondary sexual characters in females.

### Final Answer:
The hormone responsible for the development of secondary sexual characters of females is **Estrogen**.

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