Oral contraceptives are used by females to check

Options

A. implantation
B. Fertillization
C. Ovulation
D. Entry of sperms in vagina .

Answer

**Step-by-Step Solution:**

1. **Understanding Oral Contraceptives**:
- Oral contraceptives, commonly known as birth control pills, are medications taken by females to prevent pregnancy. They are usually taken daily.

2. **Components of Oral Contraceptives**:
- These pills often contain hormones such as estrogen and progesterone. For example, the Saheli pill is an oral contraceptive that contains progesterone.

3. **Function of Oral Contraceptives**:
- The primary function of oral contraceptives is to inhibit ovulation. Ovulation is the process where an egg is released from the ovary, which is crucial for fertilization and pregnancy.

4. **Conclusion**:
- Since the question asks what oral contraceptives are used by females to check, the correct answer is that they are used to check ovulation. Other options like implantation and fertilization are incorrect as they refer to different stages of reproduction.

5. **Final Answer**:
- Oral contraceptives are used by females to check ovulation.

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