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Related Experiment Videos

Paternal influences on birthweight

M A Wilcox1, C S Newton, I R Johnson

  • 1Academic Department of Obstetrics & Gynaecology, City Hospital, Nottingham, United Kingdom.

Acta Obstetricia Et Gynecologica Scandinavica
|January 1, 1995
PubMed
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Paternal height significantly influences infant birthweight, with taller fathers associated with heavier babies. This genetic effect is crucial for defining intra-uterine growth retardation and macrosomia.

Area of Science:

  • Reproductive Medicine
  • Human Genetics
  • Pediatrics

Background:

  • Birthweight is a critical indicator of neonatal health.
  • Maternal and fetal factors are well-established influences on birthweight.
  • The impact of paternal characteristics on offspring birthweight requires further investigation.

Purpose of the Study:

  • To evaluate the effect of paternal size on birthweight.
  • To control for maternal and fetal variables in this assessment.
  • To understand the genetic contribution to birthweight variation.

Main Methods:

  • Prospective observational study involving 571 partners of women delivering at a UK hospital.
  • Utilized individualised birthweight ratio and multiple regression analysis.

Related Experiment Videos

  • Controlled for maternal size and smoking habits.

    • Main Results:

    • Paternal height and weight showed a significant positive association with crude and adjusted birthweight.
    • After controlling for confounding factors, paternal height remained a significant predictor (p=0.01).
    • A difference of 183g in birthweight was observed between babies of short and tall fathers.

    Conclusions:

    • Paternal height is a significant, likely genetic, determinant of birthweight.
    • This finding necessitates consideration of paternal stature in clinical definitions of intra-uterine growth retardation and macrosomia.
    • Highlights the importance of paternal factors in fetal development.