Welcome to the 231st Grey's Anatomy Caption Contest at TV Fanatic!

Your Caption Contest winner for this past week is jennay. Congrats!

The winning entry for this "Can't Fight Biology" photo appears below. Honorable mentions go out to VAN ELMAYAN, Libbs and McDreamy's Susan. Thanks to everyone for playing!

Owen: Why are you being so hostile?
Cristina: It's not me, it's my uterus.

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.