
News • Reproductive medicine study
Seeing double: Why there are more twins than ever
More human twins are being born than ever before, according to the first comprehensive, global overview published 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 in every 42 children born is a…