http://orcid.org/0000-0003-2854-0239
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Abstract
Objective: To assess the risk of preeclampsia in women who underwent chorionic villus sampling (CVS).
Study design: This is a retrospective, single-center, cohort study. All consecutive singleton gestations who underwent chorionic villus sampling from January 2014 to January 2016 were included in the study. The primary outcome was the incidence of preeclampsia. Subgroup analysis in women with beta thalassemic trait was performed. Logistic regression, presented as adjusted odds ratio (aOR) with the 95% of confidence interval (CI), was performed.
Results: Five hundred forty-seven women who underwent CVS, and 1532 women who did not were analyzed. Women who underwent CVS had a significantly lower risk of preeclampsia (4.4 versus 8.0%; aOR 0.53, 95%CI 0.34–0.83), and late-onset preeclampsia (3.3 versus 6.1%; aOR 0.52, 95%CI 0.31–0.87). No statistically significant differences were found in preeclampsia with severe features, early-onset preeclampsia, and preterm birth (PTB). Women who underwent CVS due to thalassemic trait had a lower incidence of preeclampsia compare to those women who did not undergo CVS (3.3 versus 8.0%; aOR 0.39, 95%CI 0.14–0.87), while no differences were found comparing women who underwent CVS due to thalassemic trait with women who underwent CVS due to other reasons.
Conclusions: Women who underwent first trimester CVS had a lower risk of preeclampsia compared to those who did not.
Keywords:
Disclosure statement
The authors report no conflict of interest.
Funding
No financial support was received for this study.