| TSH | Control | Abortion | Preterm | IUGR | Total | |
| Normal | N | 19 | 18 | 19 | 20 | 76 |
| % | 95.0% | 90.0% | 95.0% | 100.0% | 95.0% | |
| Abnormal | N | 1 | 2 | 1 | 0 | 4 |
| % | 5.0% | 10.0% | 5.0% | 0% | 5.0% | |
| Chi-square | X2 | 2.105 | ||||
| P-value | 0.551 | |||||