Maternal Common Cold or Fever During Pregnancy and the Risk of Orofacial Clefts in the Offspring: A Systematic Review and Meta-analysis

Objective The common cold and/or an associated fever during pregnancy have/has been suspected to harm the developing fetus. We sought possible correlations between a maternal common cold or fever during pregnancy and the risk of orofacial clefts in the offspring. Design We systematically searched Pu...

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Bibliographic Details
Published in:The Cleft palate-craniofacial journal 2023-04, Vol.60 (4), p.446-453
Main Authors: Shi, Fang-ping, Huang, Ying-ying, Dai, Qiao-qun, Chen, Yu-lu, Jiang, Hai-yin, Liang, Si-Yuan
Format: Article
Language:English
Subjects:
Birth defects
Case-Control Studies
Child
Cleft Lip - complications
Cleft Palate - complications
Colds
Common Cold - complications
Female
Fever
Humans
Meta-analysis
Pregnancy
Risk
Risk Factors
Systematic review
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Summary:Objective The common cold and/or an associated fever during pregnancy have/has been suspected to harm the developing fetus. We sought possible correlations between a maternal common cold or fever during pregnancy and the risk of orofacial clefts in the offspring. Design We systematically searched PubMed and Embase using appropriate keywords, and we checked the reference lists of retrieved articles. We used random-effects models to estimate overall relative risks. Main Outcome Measure(s) Incidence of orofacial clefts. Results We included 13 case-control studies. Modest but statistically significant associations were found between a maternal common cold and cleft lip with or without a cleft palate (CL/CP) (odds ratio [OR] 2.17; 95% confidence interval [CI] 1.66–2.83) and a cleft palate only (CPO) (OR 3.08; 95% CI 1.5–6.34). Furthermore, maternal fever was also associated with an increased risk of CL/CP (OR 1.91, 95% CI 1.3–2.8) and CPO (OR 1.48, 95% CI 0.83–2.63) in the offspring. Further analyses of maternal influenza (alone) yielded similar results. Conclusions Although evidence of heterogeneity should be carefully evaluated, our findings suggest that maternal common cold or fever during pregnancy may be associated with a greater risk of CL/CP or CPO in the offspring. Future cohort studies using valid assessments of maternal common cold exposure during pregnancy that consider the severity of fever are needed to clarify the contribution of maternal common cold or fever status to the risk of orofacial clefts in children.
ISSN:1055-6656
1545-1569
DOI:10.1177/10556656211067695