Mode of delivery, including vaginal births and Cesarean births, can highlight important clinical practice patterns in perinatal health. PeriStats provides multiple indicators that can be used to assess trends in vaginal and Cesarean delivery methods. It also provides trends in vaginal deliveries to women who had a Cesarean birth (VBAC) in a prior pregnancy, primary Cesarean births, which are Cesarean births performed on women who have never had a Cesarean birth and low risk Cesarean births, when the baby is a single infant, is positioned head-first and the mother is full-term (at least 37 weeks), and has not given birth prior.
Last updated:
January 2022
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In California in 2021, 30.8% of live births were cesarean deliveries.
In California in 2021, the rate of primary cesarean deliveries was 20.3 per 100 live births to women who have not had a previous cesarean delivery, or of all live births.
In California in 2021, the rate of vaginal births after a previous cesarean (VBAC) was 12.8 per 100 live births to women who have had a previous cesarean delivery, or of all live births.
Notes: Vaginal births after cesarean (VBAC) delivery rate is the number of VBAC deliveries per 100 live births to women with a previous cesarean.
Sources: National Center for Health Statistics, final natality data. Retrieved November 30, 2023, from www.marchofdimes.org/peristats.