The most common source of
physiological labor pain is due to the position of the baby.
Not exact matches
Normal
physiological labor also comes with a natural hormone cocktail that allows the «
pain» of
labor to be manageable for most women.
There's no
physiological requirement whatsoever to have
pain in
labor, unlike a baby's need to inflate its lungs after birth with a vigorous cry, and negotiate the change between fetal and infant blood circulation via a different route through the heart and pulmonary vessels.