When used for emergency contraception, the pill is about 75 percent effective in preventing pregnancy, while daily use of the pill is typically 97 percent effect. Unpleasant side effects may occur, including nausea, experts say in the current issue of Network, Family Health International's quarterly health bulletin. However, using oral contraceptives in this way is safe for any woman, including women with health conditions that might prevent them from using the pill on a regular basis. Combined oral contraceptives must be taken in higher doses multiple pills within 72 hours after unprotected intercourse, and repeated 12 hours later. For progestin-only pills, which do not contain estrogen, the initial dose should be taken within 48 hours of exposure and repeated in 12 hours.
How Long Does It Take for Birth Control to Work? Pills, IUD, and More
Emergency contraception: MedlinePlus Medical Encyclopedia
Emergency contraception is a birth control method to prevent pregnancy in women. It can be used:. Emergency contraception most likely prevents pregnancy in the same way as regular birth control pills:. Ulipristal acetate Ella is a new type of emergency contraception pill. You will need a prescription from a health care provider. Women of any age can buy Plan B One-Step and Next Choice at a pharmacy without a prescription or visit to a health care provider.
Quirky Questions: Do birth control pills work like Plan B?
We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission. Starting birth control or switching to a new form of contraception may stir up some questions.
Question : To prevent pregnancy after unprotected sex, can I take several birth control pills at once instead of the morning-after pill? So be sure to contact your provider for specific instructions before you pop those pills. Kyoko practices evidence-based medicine with an emphasis on empowering and encouraging her patients to take active roles in their health care.