On Nov. 19, after the companies offered repeated explanations for a long delay in the study, Forbes was the first to raise questions about ENHANCE.

FORBES: Schering-Plough Backdates Trial

The Australian researchers had carried out a study in 1993 which suggested there could be a link between repeated ultrasound scans in late pregnancy (after 18 weeks) and growth restrictions among newborn babies.

BBC: Pregnant woman undergoing an ultrasound