cada caso de uso se calcula independientemente en la estimacion, si un caso de uso incluye a otro y quieres incluir dichos casos de uso en la misma iteracion en planeacion, entonces si los contempla
encontre este texto en
http://www.codeproject.com/gen/design/usecasepoints.asp
The use of included and extending Use Case: Karner recommends that included and extending Use Case should not be counted. But Bente Anda, Hege Dreiem, Dag I.K Sjoberg and Magne Jorgensen have a different opinion in their practical experience. In some Use Cases, they found include and extended Use Cases as essential functionalities, and reducing them will reduce steps and hence the estimation.