Delivery Mode for Twins: Vaginal vs. C-section

The position of the babies at the time of birth is the most important factor:

• Vaginal Birth: Is usually recommended if the first twin (Twin A) is head-down (vertex). The position of the second twin (Twin B) is less critical, as they often have more room to turn once the first baby is born.
• C-Section: Is recommended if Twin A is breech (bottom-down) or transverse (sideways), or if there are other complications like a low-lying placenta or TTTS.

certain scenarios make a planned C-section the safer choice:

• Monochorionic Monoamniotic (MoMo) Twins: Twins sharing one sac (extremely rare).
• Triplets or more: As discussed in our higher-order multiple guide.
• Twin A Breech: Delivering the first baby breech is generally avoided due to the risk of head entrapment.
• Placental Issues: Such as placenta previa.

We assess the delivery plan starting at 32-34 weeks:

1. Ultrasound Assessment: Confirming the positions of both babies.
2. Growth Check: Ensuring there isn't a massive weight difference where Twin B is significantly larger than Twin A.
3. Maternal Health: Checking for pre-eclampsia or other conditions that might necessitate an earlier delivery.

If a vaginal birth is planned, we prepare for 'Active Management':

• Labor in Theatre: In many twin services, we conduct the second stage of labor in an operating theater. This isn't because we expect surgery, but because it provides the most immediate safety if the second twin needs assistance.
• Epidural: Often recommended even for vaginal births, as it allows the doctor to perform internal maneuvers to help the second twin if necessary.
• The Interval: We monitor Twin B closely after Twin A is born. Usually, Twin B arrives within 20-30 minutes.

Both modes of delivery have positive outcomes when managed correctly:

• Vaginal Success: About 75-80% of women who attempt a vaginal twin birth are successful.
• The 'Combo' Birth: In less than 5% of cases, Twin A is born vaginally but Twin B requires an emergency C-section. This is rare but part of the reason we deliver in a highly supervised environment.
• Recovery: A successful vaginal birth allows for quicker recovery and easier bonding in the postpartum period.

You should discuss your birth preferences with a consultant who has experience in vaginal twin delivery.

Led by Dr. Maria Haji Liga, our team is highly skilled in twin birth management. We provide the expertise needed to support your choice for a vaginal birth while ensuring the medical safety net is always in place for both you and your babies.