Sandbox

Stage Info Image
1st: Dilation
  • Latent
    • Passage of cervical mucous plug
    • Slow dilation to 3 cm
  • Active
    • Rapid cervical dilation from 3 cm to 10 cm
  • ~8 hours in primiparous and ~5 hours in multiparous

Stage 1.png

2nd: Birth
  • Cervix fully dilated
  • Urge to push
  • Expulsion of infant
  • ~20 - 50 minutes

Stage 2.png

3rd: Placental delivery
  • ~20 minutes

Stage 3.jpg

4th stage