Birth and the Newborn Infant

Birth and the Newborn Infant PowerPoint PPT Presentation


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Labor. Onset triggered by unknown factorsHormone Oxytocin released from pituitaryPreceded by Braxton-Hicks contractionsThree stages1st ? longest (16-24 hr), contractions 8-10 min apart last for 30seconds2nd ? head moves through birth canal, lasts 90 min.3rd ? umbilical cord and placenta expell

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Birth and the Newborn Infant

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1. Chapter 3 Birth and the Newborn Infant

2. Labor Onset triggered by unknown factors Hormone Oxytocin released from pituitary Preceded by Braxton-Hicks contractions Three stages 1st – longest (16-24 hr), contractions 8-10 min apart last for 30seconds 2nd – head moves through birth canal, lasts 90 min. 3rd – umbilical cord and placenta expelled, lasts only a few minutes

3. APGAR Scale Appearance - color Pulse - heart rate Grimace - reflex irritability Activity - muscle tone Respiration - respiratory effort Scored 0-2, average score: 7, scores under 4 require immediate lifesaving intervention

5. Appearance & Initial Contact Vernix Lanugo Eyelids swollen Head misshapen Bonding Critical period for imprinting in animal studies Not supported in studies with humans

6. Approaches to Childbirth Hospital vs home delivery Medication for pain control Post delivery hospital stay Birthing procedures Lamaze technique Leboyer method Family birthing centers

7. Birth Complications Preterm Infants Low-birthweight < 2,500 g. (5 ½ lbs) Small-for-gestational-age infants < 90% Very-low-birthweight infants < 1,250 g. (2.1/4 lbs) Age of viability Postmature infants Cesarean delivery

8. Infant Mortality Death within 1st year US ranked 22nd 8.5 deaths per 1,000 live births effects of low birthweight, and SES Stillbirth < 1 delivery in 100 Grieving and depression

10. Competent Newborn Brain size Reflexes Digestive system and organ functioning Sensory systems Learning capabilities Classical Conditioning Operant Conditioning Social Competence States of arousal

11. Reflexes Survival Primitive Breathing Moro Rooting Palmar Sucking Plantar Pupillary Babinski Eye-blink Stepping Swimming Tonic neck

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