This is a brief video on normal labor, or ordinary childbirth occurring in four stages at 37-42 weeks of gestation.
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ADDITIONAL TAGS:
Stages of normal labor:
Stage 1
Stage 2
Stage 3
“Stage 4” Postnatal
By OpenStax College - Anatomy & Physiology, Connexions Web site. , Jun 19, 2013., CC BY 3.0,
Monitor fetal heart rate, contractions, and cervical changes
Ensure contractions 200 Montevideo units
Latent phase (aka quiescent phase, prodromal labor, pre-labor)
Begins when woman feels regular contractions
Cervix dilates 0 to 4-6 cm in up to 20 hrs (nulliparous) or 14 hrs (multi)
Cervical effacement (thinning and stretching from disulfide bonds breaking) near complete
Active phase
Cervix dilates 6 to 10 cm at 1.2 cm/hr (nulli) or 1.5 cm/hr (multi)
Length of active phase de