Genetic changes come in 2 main types: chromosome abnormalities and single-gene defects.
A birth defect is a health problem or abnormal physical change that is present when a baby is born. Birth defects can be very mild, where the baby looks and acts like any other baby. Or birth defects can be more severe. Read on to learn more.
Chromosome problems usually happen as a result of an error when cells divide.
Many women today are waiting until later in life to have children. In the U.S., birth rates for women in their 30s are at the highest levels in four decades.
Genetic counseling gives you information about health concerns that run in your family.