1. Patient selection and complexity of the congenital malformation are determinants of mortality risk. 2. It is a congenital malformation , included on the spectrum of gray matter heterotopias. 3. Rarely, congenital malformations , intrauterine devices, certain cancers, and pelvic infections cause secondary dysmenorrhea. 4. Instead, toxic exposure often causes physiological abnormalities or minor congenital malformation . 5. Soon, cancers, congenital malformations and other medical problems plagued the survivors. 6. Congenital umbilical hernia is a congenital malformation of the navel ( umbilicus ). 7. Cardiac anomalies are the most common congenital malformation in individuals with tetrasomy 18p. 8. The Dandy-Walker malformation is a congenital malformation associated with hydrocephalus. 9. Hernias may also occur as a result of congenital malformation , a congenital diaphragmatic hernia. 10. Some of the congenital malformations ( cleft palate ) can be corrected with surgery.