title: Ethical considerations concerning the use of anti-progestins.
mesh_terms: D000019:Abortifacient Agents; D004992:Ethics, Medical; D005260:Female; D006801:Humans; D011372:Progestins / Q000037:antagonists & inhibitors*
chemical_list: D000019:Abortifacient Agents; D011372:Progestins