Research Article

Changes in Maternal Serum Transforming Growth Factor Beta-1 during Pregnancy: A Cross-Sectional Study

Table 1

Changes in transforming growth factor beta-1 (TGF-β1) levels during pregnancy when compared to nonpregnant controls.

Gestational age
(weeks)
Number
( )
TGF-β1 levels, ng/mL
(mean ± SD)

Nonpregnant (controls), 7
1010
2011
2614
3211
3421
3613
3818