Grey's Anatomy Season 7, Episode 4 : Can't Fight Biology

About Grey's Anatomy Season 7, Episode 4 : Can't Fight Biology

Things are hostile on all fronts when a visit to the obstetrician results in some disturbing news for Meredith and Derek, and Lexie loses it when she notices Meredith and April getting closer. Meanwhile a car crash brings in multiple traumas and Jackson tries using his physical attributes to get ahead in the operating room, while Cristina's self-doubt carries outside of the hospital and into her house hunting with Owen. Guest Stars: Frances Conroy,