1996f-815 2005e-636 2016a-784 20thcentury administration canada childbirth childbirthathome distribution england etc familyplanningservices handbooks history historyofmedicine homecareservices homechildbirth labor(obstetrics) manuals maternalhealthservices maternalmortality maternitynursing midwifery midwiferysocialanthropology midwives modern1601- naturalchildbirth nottingham nottinghamshire(england) nurse'srole nurseanesthetists nurseclinicians nursepractitioners obstetricnursing obstetrics organization outcomeassessment(healthcare) politics pregnancy primarycare(medicine) professionalautonomy regionalhealthplanning socialaspects standards statistics supply trends unitedstates wq11aa1 wq11fe5a4d1996 wq160r3112004 wy11aa1m2252006 wy39w613m1985