Postpartum maternal mortality and cesarean delivery

Area of Science:

• Obstetrics and Gynecology
• Maternal Health
• Public Health

Background:

• Cesarean delivery rates have steadily increased globally over recent decades.
• This rise has fueled debate regarding the associated risks and benefits.
• Understanding the maternal mortality risk of cesarean delivery is crucial.

Purpose of the Study:

• To quantify the risk of postpartum maternal death associated with cesarean delivery compared to vaginal delivery.
• To provide a reliable estimate of the excess mortality risk attributable to cesarean births.
• To inform discussions on the safety of cesarean delivery.

Main Methods:

• Population-based case-control study utilizing French nationwide survey data (1996-2000).
• Excluded maternal deaths due to antenatal morbidities to control for indication bias.
• Used multivariable logistic regression with 65 cases and 10,244 controls to adjust for confounders.

Main Results:

• Cesarean delivery was associated with a 3.6-fold increased risk of postpartum maternal death (OR 3.64).
• Both prepartum and intrapartum cesarean deliveries showed significantly higher risks.
• Increased risks were observed for deaths due to anesthesia complications, puerperal infection, and venous thromboembolism.

Conclusions:

• Cesarean delivery is linked to a substantially increased risk of postpartum maternal mortality.
• Identifying specific causes of excess mortality is vital for informed clinical practice.
• Findings should guide discussions on elective cesarean delivery and preventive measures.