attorney paula bliss is not involved with the class-action lawsuit, but specializes in litigation involving pharmaceutical drugs. >> with respect to us about product liability, this is a big deal. this was a mess up. >> reporter: the lawsuit claims the pills were defectively and dangerously designed, manufactured, packaged, sold and distributed. in fact, it alleges the pair flipped 180 degrees and meaning that women were taking a placebo pill rather than the actual hormone, resulting in unplanned pregnancies. among those affected, a 24-year- old from massachusetts. responsible steps -- the situation and that this company has put their hand into it. they didn't want to us about become pregnant and took steps to us about avoid. that. >> reporter: the a subsidiary of endopharmaceuticals, manufactured the drugs and recalled the product in 2011. the company told cbs news that the number of affected packets was small. 41 states allow women to us about sue for unwanted pregnancies and in some cases, the cost of raising children. in fact, in oregon, those expenses include a college education. >> th