This delivery method has two important advantages because water has the property of
relieve the pain inherent in woman uterine contractions and promotes dilation of the cervix. Because of this less pain, women using this method generally did not need medication or an epidural for pain relief.
The technique of expansion in a bathtub is increasingly popular with moms who want to give birth without an epidural or that before its establishment, want to relax.
Mom is immersed in water of about 37 °. I feel light, floating and warmth that comes from water, reduce muscle tension, implying a decrease in pain often present in the back and shortening the duration of the expansion. The mother feels good, less stressed and discusses her contractions with greater serenity. Each mom can benefit from the bath, even in case of rupture of the amniotic sac.
For water birth the same precautions and the same security measures that are valid for delivery "on land".