Birth Satisfaction Scale–Revised (BSS-R) 1 United States 1 adult 1 article 1 childbirth 1 controlled study 1 female 1 human 1 major clinical study 1 maternal care 1 maternity care 1 midwife 1 midwives 1 obstetrician 1 obstetricians outcomes 1 pregnancy 1 satisfaction 1 scientist 1 scoring 1 scoring system 1 secondary analysis 1 stress 1 structural equation modeling 1 validation 1 validation process 1 validation study 1