Scientist says 'truth avoided for years' over Primodos birth defect link
Professor Carl Heneghan carried out extensive work on the hormone pregnancy test Primodos and claims the evidence is clear on the harm it causes.
Professor Carl Heneghan carried out extensive work on the hormone pregnancy test Primodos and claims the evidence is clear on the harm it causes.
Primodos was a hormone pregnancy test given to women in the 1960s which was around 40 times the strength of an oral contraceptive.
What you need to know about Primodos, sodium valproate and vaginal mesh as review into how the NHS addresses patient concerns is launched.