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OddsOftwins2

published by dkoboldt

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THE ODDS
OF HAVING
T W I N S
3.3%
Twin births on the rise
of pregnancies are for multiples
Two Things Underlie This Trend:
1.) Women waiting longer before starting families
2.) Fertility treatments increase odds of twin births
Massachusetts, Connecticut, and New Jersey have the highest twin birth rates (>4%). New Mexico has the lowest.
2/3 of twins are fraternal
Twin Births by Race/Ethnicity
Brought to you by:
www.bestoftwins.com
The Best of Twins