Currently used regimens include ethinyl estradiol/norgestrel (the Yuzpe regimen) and copper-containing IUDs. The limiting side effects with the Yuzpe regimen are nausea and vomiting. Potential ...

The vast majority of OTC birth control options are nonhormonal. This means that they don’t rely on synthetic estrogen or progesterone to prevent pregnancy. These methods typically act as ...

† Safety classification according to the US FDA pregnancy risk classification. ↓: Decrease; AVNRT: Atrioventricular nodal re-entry tachycardia; AVRT: Atrioventricular re-entry tachycardia; BP ...

[7] Ling W Y et al, “Mode of action of DL-norgestrel and ethinyloestraidol combination in postcoital contraception”, Fertility and Sterility 32: 297-302 (1979). [8] See Swahn M L et al., ...