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*~8 hours in primiparous and ~5 hours in multiparous
*~8 hours in primiparous and ~5 hours in multiparous
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[[Image:Stage 1.png|100px]]
[[Image:Stage 1.png|200px]]
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|2nd
|2nd
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*~20 - 50 minutes
*~20 - 50 minutes
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[[Image:Stage 2.png|100px]]
[[Image:Stage 2.png|200px]]
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|3rd
|3rd
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**>18 minutes increases risk of [[postpartum hemorrhage]] with >30 minutes conferring very increased risk
**>18 minutes increases risk of [[postpartum hemorrhage]] with >30 minutes conferring very increased risk
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[[Image:Stage 3.jpg|100px]]
[[Image:Stage 3.jpg|200px]]
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|4th stage
|4th stage

Revision as of 01:41, 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

Stage 1.png

2nd
  • 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