[Further contribution to the demonstration of the practical value of psychoprophylactic preparation for labor].
D001945:Breathing Exercises; D005260:Female; D006452:Hemoglobinometry; D006801:Humans; D009132:Muscles / Q000502:physiology*; D009321:Natural Childbirth; D011247:Pregnancy
Ulteriore contributo alla dimostrazione del valore pratico della preparazione psicoprofilattica al parto.