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Fetal Sensorimotor Development

Gestational age age of fetus or newborn in weeks from first day of mother's last normal menstrual cycle; Normal gestational period is 38-42 weeks
first sensory system to develop tactile; first trimester
tactile system- 3rd trimester touch functional, actual temperature discrimination at end of 3rd trimester; most mature sensory system at birth
vestibular system functioning at end of 1st trimester, not completely developed at birth
auditory development will begin turning to auditory sounds in 2nd trimester
movement- 1st trimester development sucking, hiccuping, quick generalized limb movement, positional changes, 7 1/2 weeks- will bend neck and trunk away from perioral stroke
movement- 2nd trimester quickening, sleep states, grasp reflex, reciprocal and symmetrical limb movements
movement- 3rd trimester 28 weeks- primitive motor reflexes; rooting, suck, swallow, MORO, crossed extension, palmar grasp, plantar grasp
Created by: mrose017