title: Diameter of cervical internal os after induction of early abortion by laminaria or rigid dilatation.
mesh_terms: D000028:Abortion, Induced; D002584:Cervix Uteri / Q000293:injuries*; D004107:Dilatation and Curettage / Q000009:adverse effects* / Q000379:methods; D005260:Female; D006801:Humans; D011247:Pregnancy; D012306:Risk; D002581:Uterine Cervical Incompetence / Q000209:etiology