Table 2. Perinatal characteristics.
| Characteristic | Healthy (n = 217, 296 deliveries, N = 83, 074 women) |
Diabetes (n = 13, 324 deliveries, N = 9, 771 women) |
Hypothyroidism (n = 1, 502 deliveries, N = 1, 100 women) |
Hypothyroidism + diabetes (n = 171 deliveries, N = 146 women) |
P-value |
|---|---|---|---|---|---|
| Hydramnios | 3.1% | 11.9% | 2.9% | 7% | <0.0001 |
| Oligohydramnios | 2.4% | 1.9% | 3.1% | 1.8% | 0.0002 |
| Mild PET | 3.2% | 5.5% | 4.2% | 10.5% | <0.0001 |
| Severe PET | 1% | 2% | 1.2% | 3.5% | <0.0001 |
| Chronic HTN | 1.2% | 6.6% | 2.3% | 11.1% | <0.0001 |
| NPL stage I | 1.7% | 3.5% | 2.4% | 2.9% | <0.0001 |
| NPL stage II | 1.6% | 1.9% | 1.5% | 0.6% | 0.0159 |
| PROM | 7.8% | 6.7% | 11.7% | 10.5% | <0.0001 |
| Preterm delivery | 7.4% | 9.7% | 8.6% | 14% | <0.0001 |
| Preterm delivery and PROM | 1.2% | 1.6% | 1.9% | 1.8% | 0.0001 |
| NRFHR | 1.9% | 2.7% | 0.3% | 0% | <0.0001 |
| Placenta Previa | 0.4% | 0.7% | 0.5% | 0% | <0.0001 |
| Uterine rupture | 0.1% | 0.1% | 0% | 0% | 0.7895 |
| Instrumental delivery | 3.2% | 2.8% | 3.7% | 3.5% | 0.1043 |
| Cesarean section | 12.3% | 27% | 23.4% | 44.4% | <0.0001 |
| Malpresentation | 4.1% | 6.1% | 6.2% | 7% | <0.0001 |
| Abruption of placenta | 0.7% | 0.8% | 0.5% | 1.8% | 0.3074 |
| Infection of amniotic fluids | 0.7% | 1.1% | 0.7% | 1.8% | <0.0001 |
| Induction | 17.5% | 35.8% | 24.3% | 39.2% | <0.0001 |
| Induction and CS | 1.9% | 6.5% | 3.3% | 9.4% | <0.0001 |
| Induction and Preterm delivery | 1.3% | 1.6% | 2% | 4.7% | <0.0001 |
| Urgent CS | 7.1% | 14.1% | 10.2% | 18.7% | <0.0001 |
| Non urgent CS | 5.2% | 12.9% | 13.2% | 25.7% | <0.0001 |
Notes.
PET – Preeclampsia; HTN – Hypertension; NPL – Non progressive labor; PROM – Prelabor rupture of membranes; NRFHR – Non reassuring fetal heart rate; CS – Cesarean section.