"I thought it was illegal and it was wrong." – Melanie When two cousins marry each other, is it cause for celebration? Or a scandal? Across Australia, cousins are having relationships, marrying and having children together. It’s legal but remains a taboo for many people. Children born to blood relatives are more susceptible to various health problems and there can be an increase in infant mortality and stillbirth rates. So how are couples and families dealing with this? And can genetic testing help predict any health risks?