This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page. Embed Code Restart Playing WATCH MORE VIDEOS FROM THIS EPISODE > When Kristen was 16, she went to the doctor to find out why she hadn't started having her period. After a series of tests, the teenager learned she had been born without internal sex organs, including the cervix, uterus and fallopian tubes. ShareTweet