Clinical Research Directory

Inclusion Criteria: * Pregnant women aged 18-45 years * Single pregnancy * Planned elective cesarean section * Spinal anesthesia (regional anesthesia technique) * Pre-pregnancy weight information available (maternal health record, e-Nabız or file record) * Recorded pre-delivery weight information * Gestational weight gain (GWG) calculable according to the IOM 2009 classification * ASA I-II pregnant women * Voluntary participation in the study and informed consent Exclusion Criteria: * Pregnant women with preeclampsia, severe preeclampsia, eclampsia, or HELLP syndrome * Pregnant women with a history of gestational diabetes or pregestational diabetes * Multiple pregnancy (twins, triplets, etc.) * Preterm pregnancy (\<37 weeks) * Failure of spinal anesthesia or need for conversion to general anesthesia * Lack of pre-pregnancy weight information or weight gain data during pregnancy * Pregnancies with fetal anomalies * Morbid obesity (BMI ≥ 45 kg/m²)