Stages of Labor

Question 0

Second phase

Answer 0

Complete cervical dilation to delivery

• 0.5-3 hours in primip, 5-30min in multip
• baby goes through all movement of delivery

Question 1

First stage

Answer 1

Latent: onset of labor to 3-4cm dilation
-usually 6-11 hours for primip, 4-8 hours for multip
-prolonged w/ excessive sedation or hypotonic uterine cntrxns
Active: 4 cm to complete dilation
-usually 4-6 hours w/ primip, 2-3 hours w/ multip
-prolonged w/ cephalopelvic disproportion

Question 2

Third

Answer 2

Delivery of infant to delivery of placenta

• usually 0.5 hours
• uterus contraction and placenta separation needed to establish homeostasis