Character mistake: Roseanne, trying to encourage Darlene to attend the high school prom with David, says that she'd like to see at least one of her daughters in a prom dress. However, daughter Becky attended many proms and dances wearing a formal or semi-formal dress.
The Wedding - S8-E23
Character mistake: When Roseanne, Darlene, Jackie, Bev, Becky, and Nana Mary are dressing for Darlene's wedding, Nana Mary comments that all of them were pregnant when they married. However, Becky, was not pregnant when she and Mark eloped and they never had children together. Roseanne was not pregnant before marrying Dan. When the series began, Becky was 13 years old and Dan and Roseanne had been married 15 years.
Answer: No. Sara Gilbert has given birth to one child (so far) and that was in 2007.