2017a-985 anesthesia anesthesiainobstetrics anthropology breechdelivery complications culturalcharacteristics delivery fetalheartratemonitoring health healthandhygiene labor(obstetrics) medical mothers obstetric obstetrical obstetricians obstetriclaborcomplications obstetrics physician'srole pregnancycomplications pregnencycomplications prevention self-care surgicalindications wo450 wq330r5951977 wq430c42161995