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The odds of having twins naturally in 2003 was 2.11% or 1 in 47. The probability of having twins overall has risen drastically since 1980 when it was 1.89% or 1 in 53. So the chances of conceiving twins in 2003 rose 67% from 1980. This drastic increase in twin Birth Rate has been widely attributed to women waiting longer to conceive, the use of fertility drugs, and the use of in vitro fertilization. Dr. B It all depends on how close to your menslrat cycle you get pregnant.

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17y ago

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