What inherited (genetic) diseases can play a role in pregnancy planning?
Certain diseases, such as Tay-Sachs, sickle cell anemia, hemophilia, cystic fibrosis, and certain neurological diseases are genetically inherited. Healthy couples with family histories of these conditions may themselves be carriers of these genetic traits. Blood tests can be performed to screen for certain genetic traits prior to conceiving. Genetic counseling is given to couples who may carry genetic diseases as part of pregnancy planning. Older women have an increased risk of having babies with chromosome abnormalities, leading to cognitive disabilities and other birth defects. Chromosomal abnormalities (like Down’s syndrome ) can lead to birth defects and cognitive disabilities. Pregnant women older than 35 years may consider amniocentesis to detect these chromosomal abnormalities. During amniocentesis, amniotic fluid samples are aspirated from the womb. Chromosome analysis can be performed on fetal cells within the amniotic fluid. Phenylketonuria is an inherited disease that affect