Twin Peaks: more twinning in humans than ever before

More human twins are being born than ever before, according to the first comprehensive, global overview published today in Human Reproduction, one of the world’s leading reproductive medicine journals. Since the 1980s the twinning rate has increased by a third from 9 to 12 per 1000 deliveries, meaning that about 1.6 million twins are born each year worldwide and one […]
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