Side effects of the pill.
D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006261:Headache / Q000139:chemically induced; D006801:Humans; D007989:Libido / Q000187:drug effects; D011372:Progestins / Q000009:adverse effects; D013375:Substance Withdrawal Syndrome
D003276:Contraceptives, Oral; D011372:Progestins