Carbillon L, et al. - The role of ovarian stimulation procedures on the risk of pregnancy-induced hypertension, gestational diabetes mellitus and neonatal outcomes according to women' characteristics and the causes of infertility were studied in this study. In this case-control study, polycystic ovarian syndrome (PCOS) per se was related to more pregnancy-induced hypertension (PIH), and ART procedures after mono/bi follicular ovarian stimulation were related to more fetal macrosomia.