title: Accelerated painless labor.
mesh_terms: D002746:Chlorpromazine / Q000627:therapeutic use; D005321:Extraembryonic Membranes; D005260:Female; D005313:Fetal Death / Q000453:epidemiology; D005333:Fetus / Q000187:drug effects*; D006634:Histamine H1 Antagonists / Q000627:therapeutic use; D006801:Humans; D000860:Hypoxia / Q000453:epidemiology; D007746:Labor Presentation; D007743:Labor, Obstetric / Q000187:drug effects*; D008428:Maternal Mortality; D008614:Meperidine / Q000494:pharmacology*; D009132:Muscles / Q000627:therapeutic use; D009321:Natural Childbirth; D007752:Obstetric Labor, Premature / Q000188:drug therapy*; D010121:Oxytocin / Q000627:therapeutic use*; D011247:Pregnancy; D014593:Uterine Inertia / Q000188:drug therapy*
chemical_list: D006634:Histamine H1 Antagonists; D010121:Oxytocin; D008614:Meperidine; D002746:Chlorpromazine