Vaginal birth after a previous C-section, known as VBAC (Vaginal Birth After Caesarean), is becoming an increasingly popular option for many women. A vaginal delivery typically has a shorter recovery time compared to a C-section, and because it does not involve surgery, it lowers the risks of complications like excessive bleeding, infection, and damage to internal organs.
The risks of VBAC
While VBAC offers benefits such as quicker recovery and fewer complications, it is important to understand the risks involved:
Uterine rupture
One of the most serious risks of VBAC is uterine rupture. This occurs when the uterine wall tears, often at the scar from the previous C-section, which may weaken the wall. In severe cases, emergency surgery is required, and a hysterectomy (removal of the uterus) may be necessary to control the bleeding.
Failed labor
Not all VBAC attempts result in a successful vaginal delivery. If labor is prolonged or there are signs of fetal distress, an emergency C-section may be needed to ensure the baby is delivered safely.
Risk of infection
During a prolonged labor, especially if an emergency C-section becomes necessary, the risk of infection increases due to extended exposure to bacteria. Labor-related stress may also raise the chances of infection, particularly if tissue swelling or trauma occurs.
Placental complications
Women who have had a previous C-section are at a higher risk of placental issues in future pregnancies. These include placenta previa (where the placenta covers the cervix) and placenta accreta (where the placenta attaches too deeply to the uterine wall), which can make VBAC more dangerous.
Who is eligible for VBAC?
Several factors determine whether you can attempt VBAC, including:
- The type of scar from your previous C-section
- Having only one previous C-section
- No history of medical issues or complications from prior deliveries
- A healthy, uncomplicated pregnancy
- No need for a repeat C-section
- Being within an ideal weight range
If you’re considering VBAC, it’s essential to discuss your options with your doctor, who can evaluate your specific situation. You can also make use of the consultation features that are available in the Ai Care application by downloading the Ai Care application from the App Store or Play Store.
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- Sean Edbert Lim, MBBS
Cleveland Clinic (2024). Vaginal Birth After Cesarean (VBAC). Available from: https://my.clevelandclinic.org/health/articles/21687-vaginal-birth-after-cesarean-vbac
Patricia J. Habak and Martha Kole (2023). Vaginal Birth After Cesarean Delivery. Available from: https://www.ncbi.nlm.nih.gov/books/NBK507844
The American College of Obstetricians and Gynecologist (2022). Vaginal Birth After Cesarean Delivery (VBAC). Available from: https://www.acog.org/womens-health/faqs/vaginal-birth-after-cesarean-delivery
Mayo Clinic (2022). VBAC: Know the pros and cons. Available from: https://www.mayoclinic.org/healthy-lifestyle/labor-and-delivery/in-depth/vbac/art-20044869
Raising Children (2024). Vaginal birth after caesarean (VBAC). Available from: https://raisingchildren.net.au/pregnancy/labour-birth/vaginal-caesarean-birth/vbac
Cleveland Clinic (2022). Uterine Rupture. Available from: https://my.clevelandclinic.org/health/diseases/24480-uterine-rupture
Mayo Clinic (2022). Placenta previa. Available from: https://www.mayoclinic.org/diseases-conditions/placenta-previa/symptoms-causes/syc-20352768