Use of antibiotics during pregnancy.
D000900:Anti-Bacterial Agents / Q000009:adverse effects*; D003276:Contraceptives, Oral / Q000037:antagonists & inhibitors; D003278:Contraceptives, Oral, Hormonal / Q000037:antagonists & inhibitors; D005260:Female; D006801:Humans; D011247:Pregnancy; D011275:Pregnancy, Unwanted
D000900:Anti-Bacterial Agents; D003276:Contraceptives, Oral; D003278:Contraceptives, Oral, Hormonal