Emergency Contraceptives (EC)

emergency contraceptive plan b pill

Morning After Pill (Plan B Pill)


Emergency Contraception (EC) is also known as The Morning After pill, or Plan B pill. EC is not believed to be effective once implantation has taken place and a pregnancy is present. It is not intended as an abortion pill, that aborts an existing pregnancy. There are other abortion methods and options for existing pregnancies.

EC consists of taking a large dose of oral synthetic contraceptive (Estrogen and progestin or progestin only) medication. EC is believed to act principally by preventing ovulation or fertilization. There are dozens of manufacturers of Emergency Contraception Medication. The Plan B pill manufacturers provide warnings and side effects to consider, before taking the medication – see below for more information.

Side Effects

Plan B pill side effects include queasiness and some women throw up after taking emergency contraception pills. You may also experience a headache, feel tired or dizzy, have some lower abdominal pain, or find your breast are more tender than usual.

In a study of Plan B, a common hormonal emergency contraceptive, about 20% of women experience headaches, 13-14% experience painful menstruation, and 11-12% experienced nausea.

Things to Consider

  • Emergency Contraception is not effective if a woman is already pregnant.
  • Emergency Contraception does not protect against HIV infection and other sexually transmitted diseases or infections (Chlamydia, Gonorrhea, etc.)
  • The most common side effects in Plan B clinical trials were nausea, abdominal pain, fatigue, headache, and menstrual changes.
  • The manufacturers warn that Emergency Contraception is not meant for routine use as a contraceptive.

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Reference: https://www.uptodate.com/contents/emergency-contraception?search=emergency%20contraception&source=search_result&selectedTitle=1~126&usage_type=default&display_rank=1https://www.uptodate.com/contents/emergency-contraception?search=emergency%20contraception&source=search_result&selectedTitle=1~126&usage_type=default&display_rank=1