Environmental Pollutant Benzo[a]pyrene Induces Recurrent Pregnancy Loss through Promoting Apoptosis and Suppressing Migration of Extravillous Trophoblast

Table 2

Day 8 BaP exposure of pregnant mice exhibited increased abortion in a dose-dependent manner.

Concentration of BaP (mg/kg)	Day of sacrifice	Abortion rate
0	8	20.0% (1/5)
0.2	8	66.7% (4/6)
2	8	100% (3/3)