sentences:  Andrea Zuckerman, having slept with Jesse only once without protection, soon found that she was pregnant.This development was designed to coincide with Gabrielle Carteris's real-life pregnancy, and allowed the issue of teen pregnancy to be explored fully by using one of the series' regulars, not to mention the most unlikely member of the group.After considering an abortion, Andrea eventually decided to keep the baby, which forms the previously-mentioned close connection with Kelly Taylor, who helped Andrea through the decision.