Gestational Age and Newborn Reflexes Overview (02:10)
The Dubowitz Scale evaluates 33 gestational age parameters. The New Ballard Scale, or modified Dubowitz, determines gestational age when the conception date is unknown and helps health care providers determine how to care for newborns. It includes neuromuscular maturity and physical maturity components.
Neuromuscular Maturity (03:39)
Carry out assessments at 1 hour and at 12 hours. View step by step instructions of how to assess for posture, wrist flexion, arm recoil, popliteal angle, scarf sign, and heel to ear parameters.
Physical Maturity (05:33)
View demonstrations of how to assess skin, lanugo, plantar surface, breast, eyes and ears, and genitalia parameters. Add points for each aspect and combine neuromuscular and physical maturity scores to determine gestational age.
Newborn Reflexes (05:11)
Absent, weak, or asymmetrical responses are considered abnormal. View demonstrations of how to assess the babinski, blink, crawl, crossed extension, Doll's eyes, galant, grasp, moro, rooting, startle, step, suck, and tonic neck reflexes.
Credits: Gestational Age and Newborn Reflexes: Assessment of the Newborn (00:16)
Credits: Gestational Age and Newborn Reflexes: Assessment of the Newborn
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