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Related Experiment Video

Updated: Jun 2, 2026

An Ex vivo Culture System to Study Thyroid Development

An Ex vivo Culture System to Study Thyroid Development

Published on: June 6, 2014

Neonatal thyroid screening results are related to gestational maternal thyroid function.

S M I Kuppens¹, L Kooistra, H A Wijnen

¹Department of Obstetrics & Gynecology, Catharina Hospital, Eindhoven, the Netherlands.

Clinical Endocrinology

|April 28, 2011

Summary

This summary is machine-generated.

Maternal thyroid function during pregnancy impacts neonatal screening results. Higher maternal thyroid-stimulating hormone (TSH) levels are linked to lower neonatal thyroxine (TT4) levels, especially in male infants.

Related Experiment Videos

Last Updated: Jun 2, 2026

An Ex vivo Culture System to Study Thyroid Development

An Ex vivo Culture System to Study Thyroid Development

Published on: June 6, 2014

Area of Science:

Endocrinology
Neonatal screening
Pregnancy health

Background:

Maternal thyroid dysfunction during pregnancy is linked to adverse neonatal outcomes.
Limited research exists on suboptimal maternal thyroid function across trimesters and neonatal screening.
Understanding these associations is crucial for prenatal and neonatal care.

Purpose of the Study:

To investigate the relationship between maternal thyroid function throughout pregnancy and neonatal screening outcomes.
To assess the impact of maternal thyroid-stimulating hormone (TSH), free thyroxine (FT4), and thyroid peroxidase antibodies (TPO-Ab) on neonatal screening.
To explore potential sex-based differences in these relationships.

Main Methods:

Prospective follow-up study of 886 healthy pregnant women and their neonates.
Maternal thyroid function (TSH, FT4, TPO-Ab) assessed at 12, 24, and 36 weeks of gestation.
Neonatal screening data for Congenital Hypothyroidism (CH) analyzed in relation to maternal thyroid parameters.

Main Results:

Higher maternal TSH levels during pregnancy were independently associated with lower neonatal screening TT4 levels (OR: 2.26).
Lower gestational age at birth was also linked to lower neonatal TT4 levels (OR: 1.22).
Male neonates exhibited lower screening TT4 levels, and their mothers had higher TSH levels at 24 and 36 weeks gestation.

Conclusions:

Maternal thyroid function during gestation significantly influences neonatal TT4 levels at screening.
The observed differences in neonatal TT4 and maternal TSH levels between sexes warrant further investigation.
These findings highlight the importance of monitoring maternal thyroid health during pregnancy.