Nursing support of laboring women.
D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D009721:Nurse Midwives / Q000523:psychology*; D024802:Nurse's Role; D009723:Nurse-Patient Relations; D009773:Obstetric Nursing / Q000592:standards*; D036801:Parturition / Q000523:psychology; D011247:Pregnancy; D012944:Social Support; D014481:United States