Twin sets
Question: One in 25 newborn babies is now a twin-that’s up from 1 in 50 a generation ago. Twins are now just as likely to survive and reproduce as other humans, so how long will it be before most humans are twins?
Answer: Since 1980 twin numbers have been increasing-they are up by 42 per cent since that date throughout the developed world. For every 1000 births in the developed world 29 are now twin births. This figure is likely to continue to increase because many of the extra twin births are caused by fertility treatments which result in the release of more…
