Dad-To-Be Discovers His Pregnant Wife Is His Half-Sister: "Our Feelings For Each Other Have Not Changed"
Most people will find the idea of having a romantic relationship with a relative to be disturbing. But this situation like this isn't limited to personal feelings.
Children who are born to parents that are blood relatives have a higher risk of diseases, birth defects, infant mortality, and a shorter life expectancy. In some cases, the babies don't even survive at all.
Based on these risks, one can understand why a dad-to-be was extremely worried after finding out he was related to his pregnant wife.