For example, with congenital diaphragmatic hernia, P-Hyp will materialize in a boat-shaped abdomen; with olighydramnios, the baby's face will have wide-apart eyes, low-set ears, receding chin, and a flat nose; with lesions in the central nervous system [empowher.com]

I kept asking about decelerations (drop in heart rate) the week before I had her, her arrhythmia (irregular heart beat), her mostly sleeping, only eating an oz. every 3-4 hours when she would wake up, and her "fair complexion". [babygaga.com]

Furthermore, it may help to distinguish between hydrops due to primary accumulation of pleural effusions, in which case the ascites and skin edema may resolve after shunting, and other causes of hydrops such as infection, in which drainage of the effusions [sonoworld.com]