The most significant risk of trial of labor after prior c-section is uterine rupture.
It occurs when the prior incision on the uterus ruptures and in some cases the baby may actually be ejected into the maternal abdomen. Albeit a relatively rare complication, occurring in about 0.5% of trials of labor after a single prior c-section, when it does occur, the results can be catastrophic for mother and baby.
With uterine rupture there is a higher risk of maternal blood loss requiring transfusion, and need for hysterectomy with loss of future childbearing potential, and even maternal death. The baby is more at risk of brain injury and death. Ask your doctor if he/she does VBAC and if the hospital that they deliver in has 24 hour anesthesia services in case of an emergency, and that the hospital performs VBAC.
Your doctor will explore all of the factors surrounding your prior c-section and your current pregnancy to see what your chances of success are and your risk. 60-80% there is success, over 99% of the time there is no uterine rupture, but despite all the care and attention antenatally and during the labor and delivery process, uterine rupture is not predictable and can be very serious.
THINKING ABOUT GETTING PREGNANT OR HAVE QUESTIONS ABOUT YOUR PREGNANCY?
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