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The Impact of Birth Order on Mother-Infant Interactions in Preterm and Sick Infants.

BENDERSKY, MARGARET Ph.D.; LEWIS, MICHAEL Ph.D.
Journal of Developmental & Behavioral Pediatrics: August 1986
Original Articles: PDF Only

Maternal-infant interaction patterns were observed for high- and low-risk, first-, and later-born infants at 3 months of age. The high-risk subjects included healthy preterm infants, sick preterm infants, and sick full-term infants. "Sickness" at birth was defined as respiratory distress or birth asphyxia. The low-risk group consisted of healthy full-term infants. The subjects were divided into first-born and later-born groups. Birth order was expected to interact with prematurity and illness in affecting maternal behavior. Multivariate analyses of variance indicated that this was the case; birth order had a significant impact among the high-risk but not the low-risk subjects. First-born preterm infants received more overall maternal stimulation than later-born preterms. Sick first-borns had more responsive mothers than sick later-born infants. The results suggest that highrisk later-born infants may be at greater risk as a result of both birth trauma and less optimal maternal interaction patterns. J Dev Behav Pediatr 7:242-246, 1986.

(C) Lippincott-Raven Publishers.