Abstract
Background
Vitamin D regulates the human genome and it is thought to influence the fetal growth and development, but its relation to early ultrasound fetal measures is still unknown.
Objective
To assess first trimester 25-hydroxyvitamin D [25(OH)D] maternal serum status and correlate with ultrasound crown-rump length (CRL) and nuchal translucency (NT) measurements.
Method
In this cross-sectional study, women with singleton pregnancies undergoing the first trimester standard two-dimensional ultrasound scan for fetal anomalies were included: CRL (n = 498) and NT (n = 487). Concomitantly, maternal serum 25(OH)D levels were also measured.
Results
Median serum 25(OH)D levels for the entire sample (n = 498) was 27.4 ng/mL (interquartile range 20.9–32.7). Serum 25(OH)D was adequate (≥30 ng/mL) in only 36.1% of gravids, whereas levels were found to be insufficient (20–29.99 ng/mL) in 41.2% and deficient (<20 ng/mL) in 22.7%. No significant correlation was found between the serum 25(OH)D levels and the measured ultrasound parameters.
Conclusion
First trimester 25(OH)D levels did not correlate to fetal ultrasound measurements.
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Acknowledgments
The study was partially supported by the “Fundación Progreso y Salud” PI-0359 grant from the “Junta de Andalucía”, Spain.
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The authors report no conflicts of interest.
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Fernández-Alonso, A.M., Fiol-Ruiz, G., Chedraui, P. et al. Lack of correlation between first trimester maternal serum 25-hydroxyvitamin D levels and ultrasound measured crown-rump length and nuchal translucency. Arch Gynecol Obstet 284, 1585–1588 (2011). https://doi.org/10.1007/s00404-011-2071-y
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DOI: https://doi.org/10.1007/s00404-011-2071-y