Prenatal Exposure to Sodium Arsenite Alters Placental Glucose 1, 3, and 4 Transporters in Balb/c Mice

Table 2

Histological findings in mice placentas according to the NaAsO₂ concentration.

	Concentration of NaAsO2 in water (ppm)
	0	12	20
	(%)	(%)	(%)
Decidua
Fibrosis	41 (100)	25 (100)	46 (100)
Hemorrhage	29 (71)	18 (72)	40 (87)
Junction zone
Infarct	24 (58)	20 (80)	39 (85)
Phagocytosis in TGC	41 (100)	25 (100)	46 (100)
Abnormal nucleus	0	0	0
Degenerative GC	41 (100)	25 (100)	46 (100)
Labyrinth
Infarct	0	0	1 (2.2)
Vascular congestion	27 (66)	25 (100)	45 (98)

= number of placentas where findings were detected by microscopic observation.
TGC: trophoblast giant cells; GC: glycogenic cells.
between NaAsO₂ concentrations, by Chi square analysis.