Placental Oxidative Status throughout Normal Gestation in Women with Uncomplicated Pregnancies

Table 2

Comparison of placental MDA and TAC levels by trimester groups.

Groups		MDA	TAC
		Mean rank	Mean rank
First trimester	106	114.39	91.44
Second trimester	48	86.81	85.52
Third trimester	47	85.30	138.37

MDA: malondialdehyde; TAC: total antioxidant capacity. Kruskal-Wallis test results.
The critical values for MDA and TAC levels were 11.895 ( < 0.003) and 25.665 ( < 0.0001), respectively.