Is Primodos ‘the forgotten thalidomide’?

Research output: Contribution to specialist publicationArticle


Primodos, an oral hormonal pregnancy test, was introduced to the UK in the late 1950s. A decade later, claims were made by some researchers that Primodos was linked to birth defects.
Original languageEnglish
Specialist publicationThe Conversation
PublisherThe Conversation UK
Publication statusPublished - 8 Feb 2016

Bibliographical note

Neil Vargesson receives or has received funding for his research from the Royal Society, Wellcome Trust, Imperial College London, University of Aberdeen. I have been contacted by and spoken with alleged Primodos affected people and discussed the scientific evidence for and against its actions.


  • Birth defects
  • Thalidomide
  • Sex hormones
  • Primodos
  • Pregnancy test


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