He has had romantic and sexual liaisons with various women besides Elliot, including Dr. Cox's ex-wife Jordan Sullivan (Christa Miller), and Jordan's younger sister Danni Sullivan (Tara Reid). In season five, he meets Dr. Kim Briggs (Elizabeth Banks), the hospital's urologist, and they are immediately attracted to each other. They go on a date that ends with J.D. getting her pregnant via premature ejaculation. In season 6, they decide to keep the child and try to make a relationship work, but they break up when Kim announces that she had a miscarriage. Soon afterward, however, J.D. discovers that she is still pregnant, having lied about losing the baby to get out of the relationship. He decides to stay with her for the sake of their child. J.D. realizes that he doesn't love her, however, and they break up for good while she is giving birth to their son, Sam Perry Gilligan Dorian.