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Table 1 Mean (SD) of the characteristics of the enrolled pregnant women (n = 63)

From: Trimester-specific thyroid hormone reference ranges in Sudanese women

Variable Mean (SD)
Age, years 27.0 (4.9)
Parity 0.8 (1.1)
Gravidity 2.5 (4.0)
Body mass index 27.9 (5.4)
Gestational age, weeks
 First trimester 10.8 (2.9)
 Second trimester 21.5 (4.0)
 Third trimester 31.2 (3.4)
Hemoglobin, gm/dl
 First trimester 10.6 (1.0)
 Second trimester 10.6 (0.6)
 Third trimester 10.9 (1.1)