title: Termination of early first trimester pregnancy by vaginal administration of 16, 16-dimethyl-trans-delta 2-PGE1 methyl ester.
mesh_terms: D000019:Abortifacient Agents / Q000008:administration & dosage*; D000020:Abortifacient Agents, Nonsteroidal / Q000008:administration & dosage* / Q000009:adverse effects; D000028:Abortion, Induced; D000328:Adult; D000527:Alprostadil / Q000031:analogs & derivatives*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011459:Prostaglandins E, Synthetic / Q000008:administration & dosage* / Q000009:adverse effects; D013488:Suppositories; D014621:Vagina
chemical_list: D000019:Abortifacient Agents; D000020:Abortifacient Agents, Nonsteroidal; D011459:Prostaglandins E, Synthetic; D013488:Suppositories; C021182:gemeprost; D000527:Alprostadil