Twenty percent of infants born with<unk>  will have vomiting and dilated bowels on x-rays which necessitates surgery.<unk>  is sometimes diagnosed on prenatal ultrasound where it appears as calcifications within the peritoneum.
Meconium peritonitis
Vesicointestinal fistula
Baby colic
Neonatal bowel obstruction
Gastric volvulus
Distal intestinal obstruction syndrome
Intussusception 
Pneumatosis intestinalis