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[Studies on fetal growth and functional development].

T Okai

    Nihon Sanka Fujinka Gakkai Zasshi
    |August 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

    Fetal growth accelerates in stages, with skeleton development peaking first, followed by organs, and finally muscle and fat deposition. This study tracked fetal development using advanced ultrasound techniques.

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    Location of the placenta or the umbilical cord insertion site in the lowest uterine segment is associated with low maternal blood pressure.

    BJOG : an international journal of obstetrics and gynaecology·2011

    Area of Science:

    • Obstetrics and Gynecology
    • Fetal Medicine
    • Developmental Biology

    Context:

    • Fetal development involves complex, coordinated growth processes.
    • Understanding the timing of organ and tissue development is crucial for assessing fetal well-being.
    • Previous studies have provided fragmented data on specific growth parameters.

    Purpose:

    • To comprehensively analyze the characteristic process of fetal growth.
    • To investigate the developmental trajectories of fetal cardiovascular function and behaviors.
    • To establish a detailed timeline of fetal organ, skeletal, muscle, and fat development.

    Summary:

    • Fetal growth rate peaked between 25-30 weeks of gestation (W).
    • Skeletal growth was linear until 30W, decelerating thereafter; organ growth (lung, liver, kidney) accelerated post-26-27W.

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  • Muscle and fat deposition increased significantly after 32W, with maximum fetal specific gravity observed at 32-34W.

    • Impact:

    • Provides a detailed, sequential model of fetal growth, highlighting distinct phases of development.
    • Offers normative data for assessing fetal growth and identifying potential developmental deviations.
    • Enhances understanding of the interplay between skeletal, organ, and soft tissue growth in utero.