Section 7
Birth (Parturition)
Book
Version 29
By Boundless
By Boundless
Boundless Anatomy and Physiology
Physiology
by Boundless
3 concepts
Onset of Labor
Prodromal labor, which includes the latent phase of labor, marks the initial stages of parturition.
Stages of Labor
Vaginal delivery childbirth has three distinct phases: dilation of the cervix, delivery of the infant, and delivery of the placenta.

Adjustments of the Infant at Birth
Post birth, an infant's physiology must adapt to breathing independently, changes in blood flow and energy access, and a cold environment.