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Twins

One out of every 33 births results in twins. Identical twins happen about once in every 250 births. The likelihood of triplets is one in 837. These numbers are much higher than they used to be. The biggest cause is probably fertility drugs. The second largest cause for multiple births is that many women are waiting longer to have children, and later in life, the body is more likely to release more than one egg at a time.


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