"To schedule a cesarean" means arranging a specific time and date for a surgical procedure, known as a cesarean section, to deliver a baby. Full definition
What we are seeing over time is that through the diminished production of oxytocin in the birth process (the use of synthetic oxytocin, i.e. Pitocin is named the key culprit, though scheduled cesarean births and pseudo-natural birth environments are also big contributors), we are evolutionarily losing our ability to produce it. (boba.com)
Instead, the standard treatment is to schedule a cesarean section at the earliest possible date. (birthingnaturally.net)
He asks that women who need cesarean births not schedule their cesareans before labor begins on its own, unless there are very clear indications — like a breech or transverse position, for instance. (spinningbabies.com)