The National Institutes of Health April 7 released a study that found twins — smaller at birth on average than singletons — ...

Twins—smaller at birth, on average, than singletons—start out smaller in pregnancy than was previously known, according to a study by researchers at the (NIH).

Twins—smaller at birth, on average, than singletons—start out smaller in pregnancy than was previously known, according to a ...

An ultrasound showed that Leah had suffered an ectopic pregnancy which had been missed. Picture: Supplied Leah was taken ...