Comparing Perinatal Outcomes of Assisted Reproductive Technology (ART)-Induced vs. Naturally Conceived Twin Pregnancies.

The occurrence of multiple pregnancies is consistently and significantly linked to the growing use of assisted reproductive technology (ART). Even very young women opt for having multiple embryos implanted by medical professionals in order to increase the chances of a successful outcome. Our aim is to review the research on cesarean section rates and perinatal outcomes, like perinatal morbidity, risk of preterm delivery, and low birth weight (LBW) of neonates in multiple pregnancies that resulted from ART in comparison to those that were naturally conceived. We conducted a comprehensive search of the PubMed, Crossref, and Google Scholar electronic databases for related articles up to January 2024 using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. We found that most studies found no relationship between ART procedures and poor perinatal outcomes in multiple pregnancies compared to naturally conceived ones. A few studies have linked ART services to preterm birth (PTB) and LBW. Careful interpretation of these findings is necessary since confounding factors may invalidate the putative link. Although perinatal death rates are similar, ART increases cesarean section rates. When a statistically significant difference was detected, it was typically attributable to confounding variables such as maternal age, subfertility reasons, or maternal comorbidities like gestational diabetes or hypertension.

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