[Contraceptive pills and twin pregnancies].
D003276:Contraceptives, Oral / Q000494:pharmacology*; D003278:Contraceptives, Oral, Hormonal / Q000494:pharmacology*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011272:Pregnancy, Multiple / Q000187:drug effects*; D014427:Twins
D003276:Contraceptives, Oral; D003278:Contraceptives, Oral, Hormonal
A fogamzásgátló tabletták és az ikerterhességek.