Ch4 CD - Ch.4:BirthandtheNewbornInfant 16:25 -The neonate...

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Ch. 4: Birth and the Newborn Infant 16:25 -The neonate (newborn) comes into the world after the process of labor Corticotropin releasing hormone (CRH) triggers the release of hormones that start the process leading to birth. Braxton-Hicks contractions, also called “false labor”, can happen as the uterus contracts to prepare for birth. Uterus contracts intermittently and more intently as birth becomes more imminent. STAGES OF LABOR -First stage is the longest. Uterine contractions begin about 8 to 10 minutes apart and last for 30 seconds. This time shortens as the baby approaches the transition from uterus to birth canal through the cervix. -Second stage lasts about 90 minutes. Baby travels through the vagina and exits the mother’s body. An episiotomy is a small incision made to increase the size of the opening of the vagina to prevent tearing of the vaginal walls. -Third stage labor is the delivering of the placenta and umbilical cord. This happens quickly. -Immediately upon birth, a professional health care worker will do a visual inspection then employ the Apgar scale which measures: appearance pulse grimace activity respiration (at 1 minute and 5 minutes after birth) o if anoxia (restriction of oxygen) occurs for a few minutes, brain damage could
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This note was uploaded on 12/19/2009 for the course HDFS 361 taught by Professor Folden during the Fall '09 term at Ohio State.

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Ch4 CD - Ch.4:BirthandtheNewbornInfant 16:25 -The neonate...

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