In the past, this typically involved identifying specific phenotypes (in particular, specific blood types) in the child and using this information to either "rule in" or "rule out" possible fathers.

Learn the early signs of childhood diabetes, from unusual thirst to sudden fatigue, and discover why early detection is ...

Blood type does not affect married life in any way. But when two people want to have children together, they should be ...

Not to B-negative, but your blood type could offer a clue to your risk of having a stroke before 60. “The number of people with early strokes is rising,” said Dr. Steven J. Kittner ...

Scientists have developed a novel blood test that uses lipids to identify children who are more susceptible to obesity-related problems, such as type 2 diabetes, liver, and heart disease.