The progesterone component of OCP acts by:
Ans. is d, i.e. All of the aboveRef: SK Chaudhary 7th/ed, p125-126,14Actions of the progesterone component of combined oral contraceptives:* Suppresses ovulation by its inhibitory action on the pituitary and the hypothalamus. This is predominantly achieved by estrogens but even by progesterone.* Causes atrophic changes in the endometrium and prevents nidation even if fertilization occurs.* Acts on the cervical mucus, making it thick and tenacious and impenetrable by sperms.The third-generation progestogens have a higher affinity for progesterone receptor and have a role in inhibiting ovulation.The main function of progestogens in combined pills is, to counteract the undesirable effects of estrogen such as endometrial hyperplasia and heavy withdrawal bleeding.
Preventing ovulation
Inhibiting implantation
Bringing about alterations in cervical mucus
All of the above
Contraceptives