title: Practice bulletin no. 130:  prediction and prevention of preterm birth.
mesh_terms: D023802:Cerclage, Cervical; D054791:Cervical Length Measurement / Q000379:methods; D005260:Female; D006801:Humans; D011247:Pregnancy; D047928:Premature Birth / Q000175:diagnosis / Q000209:etiology / Q000517:prevention & control; D011374:Progesterone / Q000627:therapeutic use; D011372:Progestins / Q000627:therapeutic use; D012008:Recurrence; D018570:Risk Assessment; D012307:Risk Factors
chemical_list: D011372:Progestins; D011374:Progesterone