By David Beasley ATLANTA (Reuters) - American women are having twins at a higher rate than ever before, a trend health officials believe is due to their increasing use of fertility treatments and the fact they are having children later in life. The rate of twin births in the United States reached a 33.7 twin births out of every 1,000 deliveries in 2013, the Centers for Disease Control and Prevention said in a report on Thursday. "I was a bit surprised," CDC epidemiologist Joyce Martin told Reuters. "Two percent is quite an increase." The rate of twin births increased 76 percent from 1980 to 2009 as more women used fertility therapy and had children at older ages, which increases the chances of multiples, she said. via Health News Headlines - Yahoo News Read More Here..
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