Republic of Ireland captain Katie McCabe has emerged as an injury worry ahead of next month's international window.
The Dubliner will have a scan today, having sustained a foot injury in Arsenal's 2-nil win over Bayern Munich in the Champions League last night.
Ireland boss Vera Pauw is due to name her squad for a pair of friendlies against the United States tomorrow.
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Last night's win booked Arsenal's place in the semi-finals, thanks to a 2-1 aggregate win.
Barcelona are also through, after a 6-1 aggregate victory over Roma.
Tonight, Chelsea take a 1-nil lead into their second leg with Lyon at Stamford Bridge.
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And Wolfsburg also have a 1-nil advantage going into their second leg at home to Paris Saint-Germain.
