1. In 1980, one in every 53 babies born in the United States was a twin. By 2009, that number had risen to one in 30, which means that over three decades, the twin birth rate (number of twins per 1,000 births) rose 76%.
2. The chances of having a twin pregnancy is increased by maternal age (30+).
3. Identical twins share the same DNA but do not have the same fingerprints.
4. 22 % percent of twins are left handed, compared to 10% in singletons.
5. 40% of twins invent their own language.
6. Women who eat a lot of dairy are also more likely to have twins
7. Women who give birth to twins may live longer
7. Women who give birth to twins may live longer
8. It's possible that twins can have different dads.
9. Twins that are exact reflections of each other are called Mirror Image Twins
10. Twins interact with each other in the womb
11. Massachusetts has the most twin births of any state in America.
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