| Most Common Principal Diagnoses | 13-17 Years | 18-24 Years | 25-34 Years | 35-44 Years |
|---|---|---|---|---|
| Percent of Hospital Stays for Deliveries | ||||
| Trauma to perineum and vulva | 20.5 | 19.7 | 20.8 | 18.6 |
| Normal delivery without complications | 13.3 | 15.0 | 11.7 | 6.6 |
| Hypertension complicating pregnancy, childbirth, and the puerperium | 6.2 | 4.6 | 4.0 | 4.4 |
| Umbilical cord complication | 6.0 | 7.0 | 6.9 | 5.5 |
| Abnormal fetal heart rate | 5.8 | 5.1 | 4.9 | 5.1 |
| Fetal distress and abnormal forces of labor | 5.7 | 6.1 | 6.1 | 5.6 |
| Early or threatened labor | 5.6 | 3.9 | ||
| Excess amniotic fluid and other problems of amniotic cavity | 4.9 | 4.6 | 4.5 | 4.3 |
| Malposition, malpresentation | 3.1 | 3.5 | 4.7 | 5.5 |
| Fetopelvic disproportion, obstruction | 2.9 | 3.3 | 3.0 | |
| Previous Cesarean section (C-section) | 5.0 | 9.1 | 12.6 | |