The main objective behind preferring contraceptive patch is to restrain the mid cycle gonadotropin surge and preventing ovulation in an effective manner. Although ovulation inhibition is the crucial mechanism so far, contraceptive patch also perform on the other sides of the reproductive system in the following manners: • Cervical mucus: converting it into thick, scanty, and viscid stuff, thus, prevents from sperm penetration, and inhibits the sperm capacitation. • Reducing motility of the oviduct and the uterus, thus, restraining the transfer of sperm and ova. • Reducing endometrial glandular generation of glycogen, thus, less energy is available to the blastocyst for surviving in ...