Overview: Levonorgestrel/ethinyl estradiol is used to help prevent pregnancy in women. Common side effects include nausea and vomiting, acne, painful or irregular periods, and headache. Levonorgestrel ...
Dec. 5, 2002 — A single dose of levonorgestrel, 1.5 mg, was as effective for emergency contraception as two divided doses 12 hours apart or as a single 10-mg dose of mifepristone, according to the ...
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