Women with polycystic ovary syndrome (PCOS), an endocrine disorder that often leads to infertility, are more likely to have parents with some form of heart disease, according to a new study. “By further understanding the link between PCOS and other family medical conditions, we might be able to diagnose and treat all of these illnesses at an earlier stage,” the study’s lead author, Michael Davies, an associate professor from the University of Adelaide’s Robinson Institute, said in a university news release