article_snippet: Catherine Urhegyi, 32, who is 26 weeks pregnant, won't know if mifepristone drug  has affected mifepristone drug  until mifepristone drug  is born .
article_snippet: Doctors explained Catherine would take a pill, containing the drug mifepristone, by mouth.
article_snippet: the drug mifepristone works by blocking the hormone progesterone.
article_snippet: The evening after taking the drug mifepristone, Catherine began to experience heavy bleeding, but thought the drug mifepristone was part of the process.
article_snippet: To check the drug mifepristone had worked, Catherine underwent another scan, before taking the misoprostol.
highlights_snippet: Catherine started taking mifepristone drug and suffered heavy bleeding .
  