Fig. 1
From: Prader–Willi syndrome in neonates: twenty cases and review of the literature in Southern China
Characteristic sleeping posture and scrotal and vulvar dysplasia in six neonates with Prader–Willi syndrome. a–e Cases 1–5, respectively. All patients exhibited hypotonia, showing the characteristic sleeping posture of bilateral hip valgus and weakness of limbs. All patients exhibited prominent forehead, almond-shaped eyes and downturned mouth. The boys had a small scrotum. Cases 2, 4, and 5 had cryptorchidism. f Case 9, with hypotonia, bilateral hip valgus, and vulvar dysplasia