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 5

Obstetric outcomes of infertile patients with different TSH levels.

	TSH [0.4–2.5)^c	TSH [2.5–4.0)^c
Single live birth (n, %)^a	157 (80.51%)	113 (84.33%)	0.514
Birth length (cm)^a	50.25 (1.78)	50.58 (1.99)	0.183
Birth weight (g)^a	3400.18 (604.56)	3480.39 (484.93)	0.159
Duration of gestation (d)^a	276.42 (10.01)	278.69 (12.31)	0.096
Twins (n, %)^b	4 (2.05%)	0 (0)	—
Stillbirth (n, %)^b	3 (1.54%)	2 (1.49%)	1.000
Ectopic gestation (n, %)^b	3 (1.54%)	3 (2.24%)	0.694
Preterm birth (n, %)^b	20 (12.74%)	7 (6.19%)	0.077
Full-term birth (n, %)^b	137 (87.26%)	105 (92.92%)	0.132
Post-term birth (n, %)^b	0 (0)	1 (0.88%)	—

^aData are expressed as the mean (±SD); ^bdata are expressed as n (%); ^cmIU/L. AIH : artificial insemination by husband; AID : artificial insemination by donor.