Consumer health basics
Learn more about this congenital heart defect that makes it difficult for the heart to pump the right amount of blood to the lungs and the body.
Male infertility often plays a role when couples have trouble conceiving. Find out what causes male infertility and available options for treatment.
Low sperm count
Having a low sperm count can make conceiving a child difficult, but not necessarily impossible. Learn about possible causes and treatment.
DiGeorge syndrome (22q11.2 deletion syndrome)
DiGeorge syndrome (22q11.2 deletion syndrome) is a disorder caused by a defect in chromosome 22, resulting in poor development of several body systems.
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