The defending Champions succumbed to a 1-0 defeat to Reading FC, at the Select Car Leasing Stadium on Saturday, in their week nine match.
The lady Blues dropped crucial points in the FA WSL after a busy week in UEFA Women’s Champions League.
Emma Hayes made five changes to the side that started against Juventus on Wednesday, with Musovic, Leupolz, Fleming, Andersson and England replacing Ann-Katrin Berger, Ji So-Yun, Fran Kirby, Pernille Harder and Guro Reiten.
Dean Rose gave Reading a shock early lead just three minutes into the game, from a quick one-two pass in box with Natasha Dowie.
Chelsea dominated the game from start to finish but with Reading firmly pinned in their own defensive third, no goals were forthcoming.
Arsenal now have the opportunity to extend their lead at the top to four points as they take on Leicester City.
