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The 20 Interesting Facts About Twins

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These days, it seems every time you turn around there’s another double stroller rolling down the street. Think about it – how many sets of twins do you know? Multiple births are on the rise, and two babies means double the fun but also twice the worry! Here are some fun and interesting facts about twins:

The 20 Interesting Facts About Twins
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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, according to new research released by the National Center for Health Statistics. Over those three decades, the twin birth rate (number of twins per 1,000 births) rose 76%.

The 20 Interesting Facts About Twins

2. Chances of having a twin pregnancy is increased by maternal age (30+).

The 20 Interesting Facts About Twins

3. Fraternal twining is genetically predisposed and the result of a woman releasing more than one egg at the same time.

The 20 Interesting Facts About Twins

4. Identical twins are the result of a random split of a single egg and cannot be genetically predisposed.

The 20 Interesting Facts About Twins

5. Male twins will not have twins unless their wives have the ability to produce two eggs.

The 20 Interesting Facts About Twins

6. Identical twins share the same DNA but do not have the same fingerprints.

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The 20 Interesting Facts About Twins

7. 1 in 250 pregnancies can result in identical twins.


The 20 Interesting Facts About Twins

8. 22 % percent of twins are left handed, compared to 10% in singletons.

The 20 Interesting Facts About Twins

9. Fraternal twin girls have twice the chance of giving birth to twins than singletons.

The 20 Interesting Facts About Twins

10. Vanishing twin syndrome- 15-20% percent of all twin pregnancies will miscarry one fetus.

The 20 Interesting Facts About Twins

11. Some estimates suggest 1 in 8 people started life as a twin while 1 in 70 actually are a twin.

The 20 Interesting Facts About Twins

12. Once you have fraternal twins, you are 3 to 4 times more likely to have another set!

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The 20 Interesting Facts About Twins

13. Nigeria has the highest rate of multiple births and more identical twins.

The 20 Interesting Facts About Twins

14. China has the lowest rate for multiple births averaging 1 in 300

The 20 Interesting Facts About Twins

15. A study shows vegans are five times less likely to have twins than women who consume diary.

The 20 Interesting Facts About Twins

16. Polar bears most commonly give birth to twins and on rare occasions triplets.

The 20 Interesting Facts About Twins

17. Examining 3D ultrasound images, a study in Padova, Italy found fetuses start deliberately interacting at 14 weeks.

The 20 Interesting Facts About Twins

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18. 40% of twins invent their own language.


The 20 Interesting Facts About Twins

19. Over 50% of twins are born before 37 weeks.


The 20 Interesting Facts About Twins

20. The average birth weight for a twin is 5lbs, 5 oz.
Do you know any interesting facts about twins to add to this list?

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