A condition in which lack of folic acid intake by the mother can lead to the neural tube not closing and a portion of the spinal cord being exposed on the child.
A virus that can be contracted by a pregnant mother and lead to improper organ development of the baby, also known as German measles.
A birth defect that leads to mental retardation due to consumption of alcohol by the mother while pregnant.
A condition in which parasitic cysts from exposure to cat feces can infect the mother and fetus causing birth defects or miscarriage.
Anything that can cause or contribute to the development of a birth defect.