title: Menstrual regulation.
mesh_terms: D000028:Abortion, Induced; D000293:Adolescent; D000328:Adult; D004107:Dilatation and Curettage / Q000379:methods*; D047108:Embryonic Development; D005193:Family Planning Services; D005260:Female; D006801:Humans; D008598:Menstruation; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D013997:Time Factors; D014619:Vacuum Curettage / Q000009:adverse effects / Q000379:methods*