is a specific kind of: act, deed, human action, human activity.

is a broader term that covers: breech birth, breech delivery, breech presentation | abdominal delivery, C-section, caesarean, caesarean delivery, caesarean section, caesarian, caesarian delivery, caesarian section, cesarean, cesarean delivery, cesarean section, cesarian, cesarian section | forceps delivery | midwifery.

is a part of: accouchement, childbearing, childbirth, vaginal birth.

derivation: bear, birth, deliver, give birth, have.