Fig. 1From: Association of abnormal placental perfusion with the risk of male hypospadias: a hospital-based retrospective cohort studyCumulative risk of male hypospadias across the groups by the number of placental perfusion insufficiency markers and the situation of left uterine artery resistance index (RI) and early diastolic notching (EDN). * P values for the log rank (Mantel-Cox) method compared with the cumulative risk of male hypospadias in the reference groupBack to article page