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Delivery of the term twin
1Sunnybrook and Women's College Hospital, University of Toronto, 60 Grosvenor Street, Ontario, Canada M5S 1B6. jon.barrett@sw.ca
Summary
Twin pregnancies require careful delivery planning due to increased risks. Research compares vaginal birth versus cesarean section for twins, with ongoing trials like the Twin Birth Study investigating optimal methods.
Area of Science:
- Obstetrics and Gynecology
- Perinatal Medicine
- Maternal-Fetal Medicine
Background:
- Rising twin pregnancy rates globally necessitate optimized delivery strategies.
- Term twins face higher mortality risks than singletons, potentially due to labor and delivery complications.
Purpose of the Study:
- To critically review existing literature on twin delivery outcomes.
- To compare different methodologies for assessing twin birth safety and efficacy.
- To introduce the ongoing randomized controlled Twin Birth Study.
Main Methods:
- Literature review comparing outcomes: first vs. second twin, vaginal vs. lower section cesarean section (LSCS).
- Analysis of outcomes for twins delivered vaginally vs. cesarean section (CS).
- Evaluation of planned vaginal birth (VB) vs. planned CS, including emergency CS within VB.
Main Results:
- Data suggests higher adverse perinatal outcomes for twins delivered vaginally compared to CS at or near term.
- Different analytical approaches yield varying insights into twin delivery risks.
Conclusions:
- The optimal method for twin delivery remains a subject of intense scrutiny.
- The Twin Birth Study aims to provide definitive evidence on planned vaginal birth versus planned cesarean section for twins.