Question

Which of the following is incorrect regarding oral contraceptives?

• A. These are small doses of progestogens or progestogen-estrogen combinations
• B. Inhibits ovulation and implantation
• C. They suppress sperm motility and its fertilizing capacity
• D. They may contain non-steroidal preparation with few side effects and high contraceptive value

Answer 1

The Correct Option is C

To identify the incorrect statement concerning oral contraceptives, let's evaluate each option:

1. Oral contraceptives contain low doses of progestogens or a combination of progestogens and estrogen, which is fundamental to their operation.
2. These contraceptives function mainly by inhibiting ovulation, preventing egg release from the ovaries, and rendering the uterine lining less receptive to implantation. This statement is thus correct.
3. The incorrect statement is that oral contraceptives "suppress sperm motility and its fertilizing capacity." Their primary mechanism does not involve affecting sperm; rather, they prevent ovulation and modify cervical mucus and the uterine lining.
4. Certain oral contraceptives may incorporate non-steroidal preparations, aimed at reducing side effects while preserving high contraceptive effectiveness. Therefore, this statement is also valid.

Consequently, the assertion "They suppress sperm motility and its fertilizing capacity" is inaccurate as it does not describe the principal mode of action of oral contraceptives.