maybe she does stand by anakin only to suffer his temper when obi wan is led to him. he will most likley try to kill her and she will be rescued when the twins are born on the ship. Obi wan tells her that anakin is dangerous and she must get as far away as possible. during the final confrontation obi tells anakin that padme is dead and this is the catalyst for teh final battle. padme has really been hidden away in the furthest reaches of teh galaxy