The utility of biomarkers in the prediction of preterm birth: A nested case control study of the ASPIRIN trial

Authors

DOI:

https://doi.org/10.51248/.v43i1.2040

Keywords:

Maternal serum alpha-fetoprotein (MSAFP), anti-Mullerian Hormone (AMH), C-reactive protein (CRP), preterm birth, aspirin

Abstract

Introduction and Aim: Adverse pregnancy outcomes (APO’s-preterm birth, foetal growth restriction and hypertensive disorders of pregnancy (HDP)) are the primary drivers of perinatal mortality.  C-Reactive Protein, Anti-Mullerian Hormone (AMH) and Alpha-FetoProtein (AFP) have shown promise in predicting these APO’s. Aim of this present work is to validate the predictive ability of these biomarkers to identify women at risk for preterm birth.

 

Materials and Methods: A nested observational case-control study was performed drawing nulliparous pregnant women between 10 to 13 weeks and 17 to 21 weeks of gestation in nulliparous women randomized to aspirin or placebo as part of the ASPIRIN (Aspirin Supplementation for Pregnancy Indicated Risk Reduction in Nulliparas) trial.  

 

Results: A total of 126 women with these APO’s and 143 controls were selected for analyte analysis. None of the chosen analytes were found to predict preterm birth before 37 weeks or HDP.  AFP obtained between 10 to 13 weeks, was able to moderately discriminate against women who had a preterm birth prior to 34 weeks (C-statistic 0.65- 95% CI 0.55 to 0.78). No other analytes were found to be predictive of preterm birth prior to 34 weeks.

 

Conclusion: Elevated Alpha-FetoProtein early in pregnancy is associated with early preterm birth (PTB) and may be a marker of Aspirin efficacy.

Author Biographies

Ramesh R. Araganji

Department of Physiology, J N Medical College, KLE Academy of Higher Education and Research, Belagavi, Karnataka, India

Manjunath S. Somannavar

Department of Biochemistry, J N Medical College, KLE Academy of Higher Education and Research, Belagavi, Karnataka, India

Sunil S. Vernekar

Department of Physiology, J N Medical College, KLE Academy of Higher Education and Research, Belagavi, Karnataka, India

Avinash Kavi

Department of Community Medicine, J N Medical College, KLE Academy of Higher Education and Research, Belagavi, Karnataka, India

Matthew K. Hoffman

Department of Obstetrics and Gynecology, Christiana Care, Newark, DE, USA

Shivaprasad S. Goudar

Department of Physiology, J N Medical College, KLE Academy of Higher Education and Research, Belagavi, Karnataka, India

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Published

2023-02-26

How to Cite

1.
R. Araganji R, S. Somannavar M, Vernekar SS, Kavi A, Hoffman MK, Goudar SS. The utility of biomarkers in the prediction of preterm birth: A nested case control study of the ASPIRIN trial. Biomedicine [Internet]. 2023 Feb. 26 [cited 2024 Mar. 3];43(1):114-9. Available from: https://biomedicineonline.org/index.php/home/article/view/2040

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