| IAO | immediately after onset; intermittent aortic occlusion; International Association of Orthodontists |
|---|---|
| PASD | after diastase digestion |
| VBAC | vaginal birth after cesarean section |
| FTOL | "Failed" Trial Of Labor; when a woman tries for a VBAC and ends up with a cesarean after a "trial of... |
| HBAC | Home Birth After Cesarean |