Can second cousins have a healthy baby?

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1034162

2026-04-08 15:46

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First cousins can have perfectly healthy children. An average couple have a 1.2 to 3 percent chance of having children with a birth defect or genetic disease, while first cousins chance will only two fold meaning the chances of birth defects will only be around 2 to 6 percent. Even at it's worst 7% you still have a 93 % chance of having a perfectly healthy child. No one questions the right of people with genetic disorders to have children,even though some have far higher levels than first cousins. For example people with Huntington's disease a neurological disorder that affects people after they reach adulthood, have a 50% chance of passing the disease to their children.

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