New warning on birth control patch.
D004338:Drug Combinations; D004967:Estrogens / Q000097:blood*; D005003:Ethisterone / Q000009:adverse effects / Q000031:analogs & derivatives* / Q000097:blood; D005260:Female; D006801:Humans; D020407:Internet; D009644:Norgestrel / Q000009:adverse effects / Q000031:analogs & derivatives* / Q000097:blood; D010091:Oximes / Q000009:adverse effects / Q000097:blood; D013927:Thrombosis / Q000139:chemically induced*; D014481:United States; D014486:United States Food and Drug Administration
D004338:Drug Combinations; D004967:Estrogens; D010091:Oximes; D009644:Norgestrel; D005003:Ethisterone; C449219:norelgestromin