2889656 IRPL Idiopathic recurrent pregnancy loss 4 2889655 IRPL infrared photoluminescence 2 2889653 IRPL intense regulated pulsed light 2 2889657 IRPL Infra-Red Photo-Luminescence 1 2889652 IRPL Intense Pulsed Light Regulated 1 2889654 IRPL isoreserpiline 1