A cesarean section. Cesarean is the most common spelling variant in the U.S. Both the capitalized and uncapitalized forms are acceptable. Writers should be consistent with whatever form they prefer.

Does cesarean have a capital C?

Caesarean section, also known as C-section, or caesarean delivery, is the surgical procedure by which one or more babies are delivered through an incision in the mother's abdomen, often performed because vaginal delivery would put the baby or mother at risk.

What is correct Caesarean or cesarean?

noun, often capitalized. ce·​sar·​e·​an | \ si-ˈzer-ē-ən \ variants: or caesarean or less commonly cesarian or caesarian.