Placental Oxidative Status throughout Normal Gestation in Women with Uncomplicated Pregnancies

Table 4

Pairwise comparison of placental TAC levels.

	First trimester	Second trimester	Third trimester
	Test score, value	Test score, value	Test score, value
First trimester	—	2394.0, 0.558	1327.5, 0.0001
Second trimester		—	535.0, 0.0001
Third trimester			—

TAC: total antioxidant capacity; the nonparametric Mann-Whitney test was applied.
Significant differences were noted between first and third trimester ( < 0.0001) and second and third trimester ( < 0.0001) groups. The difference in TAC levels between first and second trimester groups was not significant.