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| align="center" style="background:#f0f0f0;"|'''Picture'''
| align="center" style="background:#f0f0f0;"|'''Picture'''
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|1st||**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||
|1st||
*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||
[[Image:File:Stage 1.png|70px]]
[[Image:File:Stage 1.png|70px]]
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|2nd||**Cervix fully dilated **Urge to push **Expulsion of infant **~20 - 50 minutes||
|2nd||
*Cervix fully dilated  
*Urge to push  
*Expulsion of infant  
*~20 - 50 minutes||
[[Image:File:Stage 2.png|70px]]
[[Image:File:Stage 2.png|70px]]
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|3rd||**Placental delivery **~20 minutes ***>18 minutes increases risk of [[postpartum hemorrhage]] with >30 minutes conferring very increased risk||
|3rd||
*Placental delivery  
*~20 minutes  
**>18 minutes increases risk of [[postpartum hemorrhage]] with >30 minutes conferring very increased risk||
[[Image:File:Stage 3.png|70px]]
[[Image:File:Stage 3.png|70px]]
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Revision as of 01:32, 18 May 2019

Stage Info Picture
1st
  • 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||

File:File:Stage 1.png

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

File:File:Stage 2.png

3rd
  • Placental delivery
  • ~20 minutes

File:File:Stage 3.png

4th stage **1st hour after placental delivery **Period of time with highest risk for postpartum hemorrhage