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Dyslipidemia in pregnancy may contribute to increased risk of neural tube defects -a pilot study in north Indian population

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Abstract

Neural tube defects are congenital structural abnormalities of the brain and vertebral column resulting from improper or non-timely closure of the neural tube. Prevalence of neural tube defects is reported to be higher among women with diabetes mellitus and obesity. This study was designed to investigate the relation between the presence of dyslipidemia in antenatal patients and the risk of fetal neural tube defects. The present study was an observational, cross-sectional study involving 129 pregnant women in 16 to 18 weeks gestation period. Of these, 80 women had normal pregnancies and 49 were clinically high-risk cases for neural tube defects. Fasting blood samples were analyzed for blood sugar and lipid profile by enzymatic assay and alpha-fetoprotein levels using Enzyme Immunoassay. Alpha-fetoprotein (AFP) values were converted to Multiples of Median (MoM) appropriate for the gestational age. Based on AFP values, women were labeled as screen negative (AFP <2 MoM, n= 102) and screen positive (AFP > 2 MoM, n =27). Screen positive women were further evaluated by ultrasound and 21 women were found to carry a neural tube defects positive pregnancy. Statistical analysis was done on SPSS software. Body weight of the women showed a significant positive correlation with serum triglycerides, plasma sugar and AFP MoM values. A significant difference was observed in serum cholesterol levels (p= 0.038), triglycerides (p=0.001) and plasma sugar levels (p=0.002) between normal women and those with neural tube defects positive pregnancy. The Odds ratio for neural tube defects risk in dyslipidemic cases was 24.23 (CI 4.73 − 148.60) with a relative risk of 12.12. Dyslipidemia especially hypertriglyceridemia was found to be significantly associated with fetal neural tube defects.

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Authors and Affiliations

  1. Department of Biochemistry, GB Pant Hospital, New Delhi, India

    Sarika Arora

  2. Department of Obstetrics & Gynaecology, Lady Hardinge Medical College & Associated Hospitals, New Delhi, India

    S. S. Trivedi

  3. Department of Biochemistry, Lady Hardinge Medical College & Associated Hospitals, New Delhi, India

    Supriya Gupta & Ritu Singh

  4. Department of Biochemistry, G.B. Pant Hospital, 418, Academic Block, New Delhi, 110002, India

    Sarika Arora

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  1. Supriya Gupta
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  2. Sarika Arora
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  4. Ritu Singh
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Correspondence to Sarika Arora.

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Gupta, S., Arora, S., Trivedi, S.S. et al. Dyslipidemia in pregnancy may contribute to increased risk of neural tube defects -a pilot study in north Indian population. Indian J Clin Biochem 24, 150–154 (2009). https://doi.org/10.1007/s12291-009-0027-9

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