Combined pills contains synthetic_________to check ovulation

Options

A. LH and progesterone
B. FSH and oestrogen
C. progesterone and oestrogen
D. LH and FSH

Answer

**Step-by-Step Solution:**

1. **Understand the Question**: The question asks for the synthetic substance contained in combined pills that helps to check ovulation.

2. **Identify the Type of Pills**: Recognize that combined pills are a type of contraceptive pill. They are designed to prevent pregnancy.

3. **Know the Components of Combined Pills**: Combined pills typically contain two hormones: estrogen and progesterone.

4. **Function of the Hormones**: These hormones work together to inhibit the process of ovulation. If ovulation does not occur, fertilization cannot happen, thus preventing pregnancy.

5. **Conclusion**: Therefore, the answer to the question is that combined pills contain synthetic **estrogen and progesterone** to check ovulation.

**Final Answer**: Combined pills contain synthetic **estrogen and progesterone** to check ovulation.

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