Clinical Characteristics, Maternal and Neonatal Outcomes in Women with Placenta Previa Compared with Breech Cesarean Controls: A Retrospective Case-Control Study from a Single Tertiary Center in Lithuania

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Background and Objectives: To evaluate maternal characteristics associated with placenta previa in comparison with breech cesarean controls, as well as maternal and neonatal outcomes. Materials and Methods: A retrospective case–control study was conducted at the Hospital of Lithuanian University of Health Sciences, Kaunas Clinics (2015–2022). A total of 150 cases of placenta previa were compared with a control group of participants who underwent cesarean delivery due to fetal breech presentation without placenta previa. Results: In multivariable analysis, higher parity, prior cesarean delivery, in vitro fertilization, prior surgical termination of pregnancy, and prior uterine surgery were independently associated with placenta previa compared with breech cesarean controls. Maternal complications were significantly more frequent in the placenta previa group and included placenta accreta spectrum disorders, second- and third-trimester hemorrhage, postpartum hemorrhage, and increased need for blood transfusion. The most severe outcomes, including cesarean hysterectomy, occurred exclusively in cases complicated by placenta accreta spectrum disorders. Neonatal outcomes in the placenta previa group were characterized by higher rates of preterm birth, low Apgar scores, and birth weight < 2500 g. Adverse neonatal outcomes were partly associated with earlier gestational age at delivery. However, placenta previa remained associated with low Apgar score after adjustment. Conclusions: Compared with breech cesarean controls, placenta previa was associated with multiple maternal characteristics, including higher parity, prior cesarean delivery, in vitro fertilization, prior surgical termination of pregnancy, and prior uterine surgery. The condition is linked to increased maternal hemorrhagic morbidity, particularly in cases complicated by placenta accreta spectrum disorders, as well as adverse neonatal outcomes mainly related to prematurity. These findings highlight the importance of careful antenatal monitoring and delivery planning in specialized centers.

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