Effect of Increased BMI on Efficacy of Labor Analgesia

The Effect of Increased BMI on Efficacy of Labor Analgesia: A Retrospective Cohort Study

This study seeks to identify the most effective neuraxial technique for labor analgesia in Class III parturient

This retrospective cohort study collected data on eligible participants from the electronic medical records.

Inclusion Criteria:

• Age > or equal to 18 years
• BMI ≥ 40 kg/m²
• Gestational age ≥ 28 weeks

Exclusion Criteria:

• Age < 18 years
• BMI < 40 kg/m²
• History of venous thromboembolism or arterial disease (e.g., DVT, PE, angina, MI, or stroke)
• Severe active lung, cardiovascular, renal, or liver disorders; autoimmune disease; or hemoglobinopathies
• Hereditary or acquired thrombophilia (e.g., Factor V Leiden mutation or antithrombin deficiency)
• In utero fetal demise (IUFD)
• Failed operative vaginal delivery
• Cesarean for the second twin or multiple pregnancies (triplets or higher)
• IVF pregnancy
• Intraoperative bleeding>1500mL
• Emergency cesarean section (Category I)
• Presence of large uterine fibroid ≥10 cm.