Genetics can influence various factors related to fertility, including egg/sperm quality and potential risk for certain conditions. Single gene defects can lead to health conditions that can cause fertility problems. Condition may include cycstic fibroiss, sickel cell, thalassemias, tay sacs and canavan disease. In women chromosomal abnormalities can lead to pregnancy loss or issues like down syndrome. In men, chromosomal abnormalities can be associated with low sperm countsOur virtual fertility specialists can discuss whether genetic screening or counseling is advisable for you.