Onset (spontaneous) of labor after 37 completed weeks of gestation but before 39 completed weeks gestation, with delivery by (planned) cesarean section

**Inclusion terms:** - Delivery by (planned) cesarean section occurring after 37 completed weeks of gestation but before 39 completed weeks gestation due to (spontaneous) onset of labor

**Code first:** - to specify reason for planned cesarean section such as: - cephalopelvic disproportion (normally formed fetus) (O33.9) - previous cesarean delivery (O34.21-)