IGF-I and Insulin Levels in Mothers and Infants
Author Information
Author(s): Ariadne Malamitsi-Puchner, Briana Despina D., Dimitrios Gourgiotis, Maria Boutsikou, Karl-Philipp Puchner, Stavroula Baka, Antonios Marmarinos, Dimitrios Hassiakos
Primary Institution: Athens University Medical School
Hypothesis
The study investigates the perinatal changes of IGF-I and insulin levels in mothers and their infants, particularly focusing on growth-restricted and appropriate-for-gestational-age pairs.
Conclusion
The study found that IGF-I levels are crucial for fetal growth, with lower levels in growth-restricted infants, while insulin levels were also lower in these infants on the first day postpartum.
Supporting Evidence
- Fetal IGF-I levels were significantly elevated compared to neonatal day-1 and day-4 levels.
- Maternal insulin levels were significantly elevated compared to fetal and neonatal levels.
- Lower IGF-I levels in IUGR infants may predict catchup growth.
- Female infants had higher IGF-I levels compared to males.
- Positive correlations were found between hormone levels and customized centiles.
Takeaway
This study looked at how two important hormones, IGF-I and insulin, change in mothers and their babies right after birth, showing that babies who didn't grow as much in the womb had lower levels of these hormones.
Methodology
The study included 40 mothers with 20 AGA and 20 IUGR infants, measuring hormone levels at critical perinatal time points.
Potential Biases
Potential bias due to the selection of participants and the specific health conditions of mothers in the IUGR group.
Limitations
The study may not account for all factors influencing hormone levels and growth, such as maternal health conditions.
Participant Demographics
40 mothers, with 20 having appropriate-for-gestational-age infants and 20 having intrauterine-growth-restricted infants.
Statistical Information
P-Value
P < .001
Confidence Interval
95% CI: 17.5–47.7
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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