The Impact of Preconceptional Serum TSH Levels between 2.5 and 4.0 mIU/L on Infertile Women Going through Their First IUI Treatment Cycle

Table 2

Sperm parameters for husband.

	n	Total progressive sperm (million)^a
Clinical outcomes
Pregnant	133 (18.84%)	76.72 ± 65.63	0.17
Nonpregnant	828 (86.16%)	68.50 ± 52.79
Causes of infertility
Female factors	389 (40.48%)	82.02 ± 69.13^b	<0.001
Male factors	143 (14.88%)	46.62 ± 34.80
Unexplained factors	328 (34.13%)	82.21 ± 63.98^b
Others	101 (10.51%)	56.11 ± 45.81

^aData are expressed as the mean (±SD) and n (%); ^bcompared with “male factors” and “others,” respectively, .