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The relation between antenatal care and birth weight

C D Florey¹, D J Taylor

¹Department of Epidemiology and Public Health University of Dundee, Ninewells Hospital and Medical School, UK.

Revue D'Epidemiologie Et De Sante Publique

|January 1, 1994

Summary

Early first antenatal visits are linked to higher infant birth weights. This association remained significant even after accounting for various maternal and infant factors, suggesting a potential area for public health intervention.

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Area of Science:

Obstetrics and Gynecology
Perinatal Health
Maternal-Fetal Medicine

Background:

Antenatal care is crucial for monitoring pregnancy and fetal development.
The timing of the first antenatal visit may influence pregnancy outcomes.
Previous studies suggest a link between early care and birth weight, but with limitations.

Purpose of the Study:

To investigate the relationship between the gestational age at the first antenatal visit and infant birth weight.
To determine if this relationship is independent of other known influencing factors.

Main Methods:

A cohort study was conducted on 846 primiparas in Dundee, Scotland.
Data collected included dates of first antenatal visit and infant birth weights measured on a single electronic scale.
Statistical analysis controlled for gestational age at birth, maternal age, height, social class, and substance use.

Main Results:

A statistically significant positive correlation was found: earlier first antenatal visits were associated with greater infant birth weights (p < 0.01).
This association persisted independently of gestational age at birth, maternal characteristics, and lifestyle factors like smoking and alcohol consumption.

Conclusions:

Early initiation of antenatal care is a significant positive predictor of infant birth weight.
The findings highlight the importance of timely antenatal visits for optimizing fetal growth.
Further research is needed to elucidate the underlying mechanisms for potential preventive strategies.

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