title: Premature labor after three miscarriages.
mesh_terms: D000026:Abortion, Habitual / Q000517:prevention & control*; D000284:Administration, Oral; D004107:Dilatation and Curettage; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D007275:Injections, Intravenous; D008297:Male; D008875:Middle Aged; D007752:Obstetric Labor, Premature / Q000517:prevention & control*; D010349:Patient Compliance; D010920:Placenta / Q000601:surgery; D011247:Pregnancy; D011412:Propanolamines / Q000627:therapeutic use*; D012312:Ritodrine / Q000008:administration & dosage / Q000627:therapeutic use*
chemical_list: D011412:Propanolamines; D012312:Ritodrine