 PLOT: At the end of the fourth season, Becky finds out that she is  pregnant, and in this episode, in the middle of the fifth season,  she has twin boys, on Michelles fifth birthday. It is revealed  later in the season that Michelles birthday is in November.  However, Becky finds out she is pregnant during the summer  (presumably around June, after D.J., Stephanie and Michelle all  finish their school year), so that would mean her children were  conceived around that time. Her appearance at the end of the fourth  season suggests that she was in the earliest stage of pregnancy. It  doesnt matter that she went into labor three weeks early; theres  no way she could have given birth to two healthy, fully