Question

Oral contraceptives

• A. Inhibit ovulation
• B. Alter the quality of cervical mucus to prevent/retard entry of sperms
• C. Inhibit implantation
• D. All of these

Answer 1

The correct option is D

All of these

The correct option is D:

Explanation for Correct option:

1. Oral contraceptives containing oestrogen and progesterone restrict follicular growth and ovulation by inhibiting the production of gonadotropin-releasing hormone, which reduces levels of follicle-stimulating hormone (FSH) and luteinizing hormone (LH).
2. Females take small dosages of progestogens or progesterone-oestrogen combos in the form of tablets known as oral pills.
3. Pills restrict or delay sperm access into the female genital canal by inhibiting ovulation and implantation, as well as altering the quality of cervical mucus.
4. The oestrogens in birth control pills prevent ovulation by acting on the hypothalamus and suppressing pituitary FSH and LH; they also prevent implantation of the fertilized egg, speed up ovum transport, and promote luteolysis, or corpus luteum degeneration, resulting in a drop in serum.
5. Follicular development, ovulation, and implantation are all inhibited by them.
6. They thicken the cervical mucus, which slows the migration of sperm.

Final answer: Oral contraceptives Inhibit ovulation, alter the quality of cervical mucus to prevent/retard entry of sperms, and inhibit implantation.