Chapter 5 - Chapter 5 Stages of Birth 1. Stage One- longest...

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Chapter 5 Stages of Birth – 1. Stage One- longest stage (12-14 hours) -contractions cause cervix to open to 4inches or 10 cm’s -contractions start 15-20 minutes apart, end 2-5 minutes apart -last up to a minute -baby moves from uterus to birth canal 2. Stage Two- (45 minutes-1 hour) -starts when baby’s head starts to come out -contractions every minute 3. Afterbirth – (few minutes) Fetus/Newborn Transition – -each contraction compresses placenta and umbilical cord, decreasing supply of oxygen - anoxia the condition in which the fetus has an insufficient supply of oxygen -cause brain damage - long-lasting chronic oxygen deprived - delivery takes too long can cause anoxia -increased levels of adrenaline and noradrenaline help withstand stress of birth to baby -never again will levels be so high in ones lifetime -cut umbilical cord baby must breathe on own - vernix caseosa protective skin grease, made of fatty secretions & dead cells -put on baby to protect against loss of heat Setting/Attendance of Birth – -US 99% of births in hospitals, 90% attended by physicians -typically 2 day stay for vaginal delivery, 3 day for C-section
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Chapter 5 - Chapter 5 Stages of Birth 1. Stage One- longest...

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