The word "vaginal" refers to something that is related to or occurring in the vagina, which is a part of the female reproductive system. Full definition
He recalled a time earlier in his career when many hospitals began scaling back offerings of vaginal birth after an earlier C - section in the mid to late 1990s. (washingtonpost.com)
Women who give birth via vaginal delivery are sometimes revered as the mamas who have the truly ~ special ~ births and birth stories. (romper.com)
It is possible to have a C - section instead of vaginal delivery if your baby is in distress. (newhealthadvisor.com)