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Fetal Echocardiography and Pulsed-wave Doppler Ultrasound in a Rabbit Model of Intrauterine Growth Restriction
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Fetal Echocardiography and Pulsed-wave Doppler Ultrasound in a Rabbit Model of Intrauterine Growth Restriction

Published on: June 29, 2013

Interaction and development in the first year. II. The effects of intrauterine growth retardation

J Watt

    Early Human Development
    |April 1, 1986
    PubMed

    Insights

    Infant-mother interactions differ between small-for-gestational age (SGA) and appropriate-for-gestational age (AGA) infants, impacting developmental outcomes. Specific interaction patterns are linked to better development in each group.

    Area of Science:

    • Developmental Psychology
    • Neonatal Studies
    • Infant Behavior

    Background:

    • Small-for-gestational age (SGA) infants may experience altered developmental trajectories.
    • Understanding infant-mother interaction is crucial for early development.
    • Previous research has explored factors influencing infant development.

    Purpose of the Study:

    • To investigate differences in infant-mother interactions between SGA and appropriate-for-gestational age (AGA) infants.
    • To examine the relationship between early interaction patterns and later developmental outcomes (Bayley MDI scores).
    • To identify specific interaction behaviors associated with optimal development in both SGA and AGA infants.

    Main Methods:

    • Assessed nine SGA and ten AGA full-term infants.
    • Utilized the Bayley MDI scale at 10 months for developmental assessment.
    • Observed infant-mother interactions at 6 months, analyzing parameters like infant passivity, state changes, vocalizations, and maternal stimulation.
    • Compared interaction parameters with earlier development and 10-month MDI scores.

    Main Results:

    • SGA infants were more passive and showed more state changes than AGA infants at 6 months.
    • For AGA infants, early vocalizations correlated negatively with MDI scores, while maternal stimulation correlated positively.
    • For SGA infants, early activity levels and some dyadic interaction variables at 6 months were negatively related to 10-month MDI scores.
    • Ten-month MDI scores were lower in the SGA group compared to the AGA group.
    • Socioeconomic status influenced MDI scores for AGA but not SGA infants.

    Conclusions:

    • Differential interaction patterns exist between SGA and AGA infants and are linked to developmental outcomes.
    • Optimal development in AGA dyads was associated with maternal stimulation and coordinated infant signaling.
    • Optimal development in SGA dyads was linked to infant quietness and maternal encouragement of quiet behavior.
    • These findings highlight the importance of tailored interaction strategies for SGA and AGA infants.

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