Actually the odds that any woman under 30 years old - much less a women under 20 years old - conceives a fetus with Downs Syndrome is 1000 to 1. The rate for women under 20 years old is probably even lower. Source at NIH.gov
Simple statistics show that this ugly smear by liberal Obama lovers is just a fantasy on their part.
Not to mention just plain silly. They look even stupider with this kind of propaganda.