Social & Preventive Medicine Mechanism of action of oral contraceptive containing a combination of oestrogen-progestin is A Inhibition of ovulation B A change in the cervical mucus C Inhibition of motility of the uterine tubes D Inhibition of motility of sperms 💡 Explanation Mechanism of action of oral contraceptive containing a combination of oestrogen-progestin is ✓ Correct Answer: A. Inhibition of ovulation