Andrine Hegerberg makes way in Birmingham's final change and she is replaced by Marissa Ewers.
Paige Williams comes on for Birmingham's hobbling goalscorer Emily Westwood.
Manchester City make a double substitution with Kosovare Asllani and Jen Beattie coming off to be replaced by Jill Scott and Megan Campbell.
Birmingham also make a change as Charlie Wellings comes on for Coral-Jade Haines.
Jane Ross replaces Georgia Stanway for Man City.
Lucy Bronze runs down the right and deftly slots in at the far post. A brilliant finish from the right-back.
Good chances for both sides but Birmingham remain 1-0 ahead going into the break courtesy of Emily Westwood's opener, which you can watch below.
Emily Westwood heads home from a corner delivered by Coral-Jade Haines.
Manchester City are playing a 4-3-3 formation with Georgia Stanway leading the line.
Birmingham City are lined up in a 4-4-2 formation with Ellen White and Ellie Brazil up top.
Man City: Roebuck, Bronze, Houghton, Beattie, McManus, Walsh, Middag, Asllani, Christiansen, Lloyd, Stanway
Birmingham City: Berger, Sargeant, Westwood, Mannion, Harrop, Stringer, Carter, Hegerberg, Haines, White, Brazil