The attacking duo were granted compassionate leave to attend to their families after the international break.Willian lost his mother while Oscar lost his grandpa meaning they were excluded from last weekend's victory against Leicester City.
Conte speaking ahead of Sunday's game against United confirmed they are back in the squad but he will decide before the game whether they are psychologically fit to feature.

Willian came back on Thursday morning. He has had two training sessions with us. I spoke with the player, and also Oscar, who was back in Brazil after the death of his grandfather. In this situation it’s very important to consider all aspects. I also have tomorrow to see the situation.’

Chelsea host United on Sunday afternoon seeking to build on consecutive wins over Hull City and Leicester in the past weeks.