Table 1.
Characteristic of included patients based on D14 TSH levels
| Low TSH (N = 125) | Middle TSH (N = 139) | High TSH (N = 61) | p-value | |
|---|---|---|---|---|
| Age (year) | 30.73 ± 3.73 | 30.66 ± 3.64 | 30.11 ± 4.24 | 0.56 |
| AMH (pmol/l) | 23.74 ± 19.1 | 32.13 ± 26.8 | 28.23 ± 19.12 | 0.02 |
| BMI (kg/m2) | 23.35 ± 2.89 | 23.87 ± 3.19 | 23.63 ± 2.98 | 0.34 |
| Basal TSH (IU/l) | 2.01 ± 0.67 | 2.49 ± 0.86 | 2.75 ± 0.78 | < 0.01 |
| FT3 (pmol/l) | 4.91 ± 0.52 | 4.70 ± 0.52 | 4.81 ± 0.68 | 0.01 |
| FT4 (pmol/l) | 16.95 ± 2.28 | 16.40 ± 2.41 | 16.29 ± 2.60 | 0.10 |
| NO. of transferred blastocysts | ||||
| 0 | 47(42.34%) | 49(44.14%) | 15(13.51%) | 0.26 |
| 1 | 67(35.64%) | 78(41.49%) | 43(22.87%) | |
| 2 | 11(42.31%) | 12(46.15%) | 3(11.54%) | |
| Clinical outcomes | ||||
| Pregnancy | 70(56.00%) | 98(70.50%) | 38(62.30%) | 0.05 |
| Miscarriage | 10(16.06%) | 12(15.30%) | 7(22.58%) | 0.74 |
Data are expressed as the mean ± SD and n (%)
D14 TSH TSH levels 14 days after embryo transfer; AMH anti-mullerian hormone; BMI body mass index; TSH thyroid stimulating hormone