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

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