Contraceptive oral pills help in birth control by

Key Points

• Contraceptives are birth control devices that help in preventing unwanted pregnancies.
• An ideal contraceptive should have the following features:
  • User-friendly
  • Easily available
  • Effective
  • Reversible with little or no side effects
  • Not interfere with the sexual drive or desire and the act of the user

Explanation:

• Oral contraceptives involves oral administration of contraceptives and are also known as oral pills.
• They are usually small doses of progesterone or a combination of progesterone and estrogen.
• They act as a hormonal contraceptive that prevents ovulation and thus pregnancy.

Additional Information

?Contraceptive Methods - 

• Natural Methods -
  • These include natural ways by which the meeting of sperm and ovum can be avoided.
  • There are 3 major ways - Periodic abstinence, Coitus interruptus and Lactational amenorrhea.
• Physical Methods/ Barriers -
  • Males can use condoms, while females can use diaphragm, cervical caps or vaults.
  • They block the entry of sperms through the cervix.
• IUDs -
  • Intra-uterine devices are inserted into the uterus through the vagina.
  • These can be non-medicated, copper-releasing or hormone-releasing.
  • Examples - Lippes loop, CuT, Cu7, Progestasert.
• Surgical Methods -
  • This includes sterilization processes of tubectomy and vasectomy.
  • It is a terminal method and often irreversible.
  • It interferes with gamete transfer and thus prevent pregnancies.