The Backup Plan previously known as Plan B is a 2010 romantic comedy film, starring Jennifer Lopez and Alex OLoughlin. It was released theatrically in the U.S. on April 23, 2010, and later in other regions. This was Tom Bosleys final film before his death in October 2010.
She goes to the farm determined to tell him that she is pregnant. They have sex and afterwards Stan is confused and angry that she didnt tell him before and Zoe leaves the next morning believing that things are over between them. However, Stan decides he still wants to be with her and they reconcile. They go to the doctor and find out that Zoe is actually carrying twins. Overwhelmed, Stan goes to a childrens playing area to figure out what it means to be a father, but is suspected to be a pervert this is soon cleared up. He finds a friend there that he can talk to about the pregnancy throughout the movie, while Zoe gets little support from her Single Mothers and Proud group when the group members discover she is no longer single. Stan takes the next step to becoming a father and orders a stroller for the twins. After many misunderstandings and comedic revelations, Zoe and Stan are walking into the Market when they run into Stans exgirlfriend. Due to Stans remark that the twins are not his, Zoe believes that he is not ready to become a father to them, and breaks off the relationship.Later, the stroller that Stan ordered arrives and Zoe figures out that Stan was never planning to leave. At her grandmothers wedding, Zoes water breaks and on the way to the hospital they make a pit stop at the Market. Zoe apologizes to Stan and they begin to work things out. He pulls out the penny that she turned over when they first met and Zoe promises to trust him more. In the end, Stan opens a storerestaurant next to Zoes pet shop and after the Grand Opening speech Stan asks Zoe to marry him and she says yes. On their way home, she spontaneously throws up into a rubbish bin and realizes that she may be yet again pregnant. ........
Source: Wikipedia