Figure 4

Receiver operating characteristic (ROC) curve for the ability of plasma polychlorinated biphenyl (PCBs), dichlorodiphenyltrichloroethane (DDE), dieldrin, and ethion detect recurrent pregnancy loss (RPL) cases.

Receiver operating characteristic (ROC) curve for the ability of plasma polychlorinated biphenyl (PCBs), dichlorodiphenyltrichloroethane (DDE), dieldrin, and ethion detect recurrent pregnancy loss (RPL) cases.