Which of contraceptive method prevents the ovulation?

Correct option is D

Sol. Hormonal contraceptives, such as oral pills, patches, or injectables, prevent ovulation by altering hormone levels (mainly estrogen and progesterone). These hormones inhibit the release of luteinizing hormone (LH) and follicle-stimulating hormone (FSH), which are necessary for ovulation.
Explanation of each option:
· (a) Barrier – Includes condoms and diaphragms that block sperm from reaching the egg; they don’t interfere with ovulation.
· (b) Surgical – Includes tubal ligation and vasectomy, which prevent the meeting of egg and sperm but do not stop ovulation.
· (c) Natural – Methods like calendar or cervical mucus method track ovulation but do not prevent it.
· (d) Hormonal – Correct. Hormonal methods regulate reproductive hormones and effectively suppress ovulation.