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Table 2 Alterations in serum TSH levels between positive and negative clinical outcomes

From: The impact of TSH levels on clinical outcomes 14 days after frozen-thawed embryo transfer

  Frozen-warmed ET Frozen-warmed ET with natural cycle Frozen-warmed ET with stimulated cycles
D14 TSH Pregnancy 3.12 ± 1.24 2.95 ± 1.12 3.21 ± 1.30
Nonpregnancy 3.14 ± 3.03 3.55 ± 4.75 2.91 ± 1.28
p 0.92 0.30 0.11
Basal TSH Pregnancy 2.31 ± 0.81 2.20 ± 0.78 2.36 ± 0.83
Nonpregnancy 2.44 ± 0.84 2.42 ± 0.77 2.45 ± 0.88
p 0.15 0.15 0.46
Mean difference between paired D14 and basal TSH levels Pregnancy 0.81 ± 1.25 0.74 ± 1.19 0.85 ± 1.28
p < 0.001 < 0.001 < 0.001
Nonpregnancy 0.70 ± 2.90 1.13 ± 4.56 0.46 ± 1.20
p 0.009 0.112 0.001
D14 TSH Miscarriage 3.21 ± 1.31 3.37 ± 1.51 3.13 ± 1.23
Ongoing pregnancy 3.10 ± 1.24 2.88 ± 1.04 3.22 ± 1.32
p 0.66 0.20 0.78
Basal TSH Miscarriage 2.35 ± 0.81 1.94 ± 0.65 2.55 ± 0.82
Ongoing pregnancy 2.30 ± 0.82 2.24 ± 0.80 2.33 ± 0.83
p 0.75 0.26 0.26
Mean difference between paired D14 and basal TSH levels Miscarriage 0.86 ± 1.40 1.43 ± 1.63 0.58 ± 1.21
p 0.002 0.022 0.45
Ongoing pregnancy 0.80 ± 1.23 0.64 ± 1.08 0.90 ± 1.28
p < 0.001 < 0.001 < 0.001
  1. Data are expressed as the mean ± SD
  2. D14 TSH TSH levels 14 days after embryo transfer
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