This is to avoid any problems if the placenta separate early. Medically controlled research of 1,000 waterbirths have shown that not one baby breathed underwater. Benefits for the mother. A lot of women prefer the comfort and privacy of their own home and a pool adds to the joy of childbirth. In a hospital where the surroundings are often alien and frightening especially for the first time mother, the pool can give her a space of her own, a feeling of security and a sense of privacy, this is particularly appreciated in these conditions.
Most women relax as soon as they enter the warm water.
It lowers adrenalin and encourages endorphins, the hormones that are the bodies own pain relievers, also known as 'the feel good' hormone. Also, positive sensations eg. Therefore the warmth from the water and the relaxing benefits override the negative effects of pain and fear of labour. The warmth from the water inhibits the pain sensations by blocking the messages. Many mothers find they need no additional pain relief, a small number may use additional gas and air.