Multiple choice

The birth control pills contain hormonal formulations that may either arrest the ovulation or prevent the fertilization of egg. Some of the formulations do both. Which one of the following combinations represents a formulation that is likely to affect the process of ovulation and fertilization?

  1. Progesterone and estrogen

  2. Prostaglandin and estrogen

  3. Gonadotrophin and estradiol

  4. Prolactin and estradiol
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A Correct answer
Explanation

Combined oral contraceptive pills typically contain synthetic estrogen and progesterone. These hormones work by suppressing the release of gonadotropins (FSH and LH), thereby inhibiting ovulation, and by altering cervical mucus to prevent sperm from reaching the egg.

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