Table 1 General characteristics of included patients based on D14 TSH levels.

From: TSH levels after fresh embryo transfer are associated with reproductive outcomes in euthyroid women undergoing the first IVF/ICSI cycles

 

Low (239)

High-normal (225)

High (135)

P

Age (years) mean (SD)

31.52 (4.15)

31.34 (4.57)

30.40 (4.50)

0.06

Endometrial thickness (mm) median (IQR)

11.00 (3.00)

11.00 (2.85)

11.50 (3.00)

0.10

AMH (pmol/L) median (IQR)

17.98 (13.39)

19.75 (13.39)

21.1 (13.27)

0.004

Infertility duration (years) median (IQR)

3.00 (3.50)

3.00 (3.00)

3.00 (3.00)

0.29

Basal TSH (mIU/L) mean (SD)

1.86 (0.75)

2.48 (0.76)

2.89 (0.75)

 < 0.001

FT4 (pmol/L) mean (SD)

16.38 (2.19)

16.25 (2.13)

15.73 (2.03)

0.02

FT3 (pmol/L) mean (SD)

4.91 (0.61)

4.89 (0.58)

4.9 (0.59)

0.94

LH (IU/L) mean (SD)

5.56 (2.39)

5.63 (2.4)

5.86 (3.05)

0.54

FSH (IU/L) mean (SD)

6.91 (1.72)

6.91 (2.05)

6.8 (1.57)

0.84

E2 on the HCG day (pmol/L) median (IQR)

10,694.00 (6006.00)

9884.00 (5736.50)

11,795.00 (7532.00)

0.004

Type of infertility n (%)

 Primary

106 (44.35%)

107 (47.56%)

67 (49.63%)

0.59

 Secondary

133 (55.65%)

118 (52.44%)

68 (50.37%)

 

Causes of infertility n (%)

 Male factors

54 (22.59%)

46 (20.44%)

31 (22.96%)

0.99

 Ovulation dysfunction

37 (15.48%)

31 (13.78%)

21 (15.56%)

 

 Tubal and pelvic factors

67 (28.03%)

63 (28.00%)

41 (30.37%)

 

 Female mixed factors

13 (5.43%)

12 (5.33%)

6 (4.44%)

 

 Male and Female factors

44 (18.41%)

50 (22.22%)

25 (18.52%)

 

 Unexplained

24 (10.04%)

23 (10.22%)

11 (8.15%)

 

Transferred embryos n (%)

 Cleavage embryos

160 (66.95%)

160 (71.11%)

71 (52.59%)

0.001

 Blastocyst

79 (33.05%)

65 (28.89%)

64 (47.41%)

 

Blastocysts with good quality n (%)

 0

19 (24.05%)

12 (18.46%)

6 (9.38%)

0.07

 1

60 (75.95%)

53 (81.54%)

58 (90.62%)

 

Cleavage embryos of good quality n (%)

 0

21 (13.13%)

18 (11.25%)

0 (0%)

0.003

 1

68 (42.50%)

57 (35.63%)

23 (32.39%)

 

 2

71 (44.37%)

85 (53.12%)

48 (67.61%)

 

β-HCG levels on the pregnancy day in women with clinical pregnancy median (IQR)

 Cleavage embyros transfer

616.50 (541.08)

748.10 (557.60)

928.80 (658.20)

0.013

 Blastocyst transfer

1384.00 (1527.70)

1228.00 (865.20)

1541.50 (1044.75)

0.10