Zoology - Reproductive Health Question with Solution | TestHub

Contraception is the avoidance of pregnancy. These include natural methods, barrier methods, intrauterine devices, chemical methods, surgical methods, oral pills, and implants. Natural methods like periodic abstinence, lactational amenorrhea and coitus interruptus prevent the meeting of sperm and ovum. Oral contraceptive methods include pills. These help birth control by preventing ovulation. These are monophasic or multiphasic.