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  • How the Body Works: Hormones in Labor

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How the Body Works: Hormones in Labor

Uterine contractions at birth are strengthened by oxytocin, a pituitary hormone. During pregnancy, progesterone makes the uterus relatively unresponsive to oxytocin. Reflexes in the cervix during labor strengthen uterine contraction and oxytocin output increases. The progesterone levels falls, oxytocin becomes effective, and the baby is pushed out.

Icyou | June 12, 2008Watch more videos from Icyou

Tags:. .bodi. .effect. .becom. .level. .push










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