/pol/ - International /Pol/itics & /Bant/er

If you have kids with a person unrelated to you, the chance of birth defects is about 3%
If you have kids with a second cousins, it's 4%
If you have kids with first cousins, it's 5%
If you have kids with your aunt or uncle, it's a 21% chance of birth defects
If you have kids with your sibling, it's a 37.5% chance
Also 37.5% chance if you have kids with your own parent