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. 2019 Mar 19;8(4):435–441. doi: 10.1530/EC-19-0088

Table 4.

Trimester-specific prevalence of perinatal outcomes according to the thyroid function.

Pregnancy outcomes First trimester (<13 weeks, n = 2208) Second trimester (13–20 weeks, n = 5965)
Euthyroid (n = 2107) IMH (n = 101) Euthyroid (n = 5724) IMH (n = 241)
LBWa 63 (2.99) 3 (2.97) 147 (2.57) 8 (3.32)
Macrosomia 109 (5.17) 11 (10.89) 348 (6.08) 20 (8.30)
SGAb 91 (4.32) 2 (1.98) 253 (4.42) 11 (4.56)
LGAc 264 (12.53) 19 (18.81) 764 (13.35) 44 (18.26)
Preterm delivery 93 (4.41) 2 (1.98) 234 (4.09) 14 (5.81)
Hypertensive disorders of pregnancy 57 (2.71) 4 (3.96) 165 (2.88) 16 (6.64)
Preeclampsia 15 (0.71) 2 (1.98) 56 (0.98) 2 (0.83)
GDMd 260 (12.97) 18 (18.95) 742 (13.42) 41 (17.90)
placenta previa 19 (0.90) 1 (0.99) 41 (0.72) 2 (0.83)
Placenta abruption 10 (0.47) 1 (0.99) 20 (0.35) 3 (1.24)

aLow birth weight; bsmall for gestational age of infant; clarge for gestational age of infant; dgestational diabetes mellitus.