Unilateral renal agenesis is associated with –
Malformations associated with unilateral renal agenesis

Single umbilical artery               
Absent ureter        
Controlateral vesicoureteric reflux
Absent Ipsilateral vas defrens                        

Bilateral renal agenesis

It is incompatible with extrauterine life, death occurs shortly after birth from pulmonary hypoplasia.
It is also known as Potter syndrome.
Polycystic disease of pancreas
Hiatus Hernia
Single umbilical artery
Hypogonadism