Substitute Louise Quinn scores twice for the hosts
Rachel Williams gave Birmingham the lead within 38 seconds
Arsenal temporarily rise to second
Birmingham stay 6th
It ended up being comfortable for Arsenal in the end. You can watch highlights of the victory below and read the report here.
WSL highlights: Arsenal Ladies 4-2 Birmingham City Ladies
Arsenal 4-2 Birmingham City
A thoroughly entertaining game ends with Arsenal taking the three points.
The Gunners temporarily move up to second, whilst the visitors stay sixth.
Arsenal 4-2 Birmingham City (Louise Quinn)
That's the three points secured for the hosts.
A corner is met by Louise Quinn who grabs her second since coming off the bench.
Image source, Getty ImagesArsenal 3-2 Birmingham City (Louise Quinn)
A long Jordan Hobbs free-kick is met by Louise Quinn in the penalty area and she glances it past a stranded Sophie Baggaley.
But should it have been a free-kick in the first place? Emma Byrne, the former Arsenal goalkeeper, on co-comms didn't think it was.
Louise Quinn glances Arsenal into the lead
Arsenal 2-2 Birmingham (Rachel Williams)
Wow! Arsenal's lead only lasts just over two minutes.
A cross in from the left is met by Rachel Williams, who now has a brace. She takes Arsenal keeper Anna Moorhouse out in the process but the goal stands.
Rachel Williams scores her second to draw Birmingham level
Arsenal 2-1 Birmingham City (Danielle van de Donk)
The hosts are infront.
Danielle Carter does brilliantly and puts Danielle van de Donk through and she rounds Sophie Baggaley and slots into the empty net.
Danielle van de Donk puts Arsenal ahead
Arsenal 1-1 Birmingham City
Arsenal get us back underway at The Hive.
Dick Kerr Ladies, dubbed "the greatest women's team ever", have been honoured with a blue plaque at the factory where the team were formed.
Find out more by watching the clip below.
Dick Kerr Ladies: 'Best ever' women's football team honoured
Women's Super League Two clubs have been invited to apply to join WSL 1 for the 2017-18 winter season, to replace the defunct Notts County Ladies.
The decision has disappointed Doncaster Rovers Belles' who wish the FA had made a "decisive appointment".
You can read more about the Belles' disappointment here.
Image source, Getty ImagesArsenal 1-1 Birmingham City
We go into the break all-square.
After Birmingham broke the deadlock within the opening minute, Arsenal equalise late on.
A thoroughly interesting half.
Arsenal 1-1 Birmingham City (Heather O'Reilly)
We're level!
Heather O'Reilly latches on the end of a lovely weighted pass from Danielle van de Donk and slots past Sophie Baggaley.
Lovely finish from the American.
Arsenal's Heather O'Reilly slots past Baggaley to equalise
Arsenal 0-1 Birmingham City
It's one apiece on the woodwork front!
Arsenal's Fara Williams steps up and curls a free-kick from around 22 yards out against the bar.
Was she aiming for goal there? Or was she crossing the ball?
Arsenal's Fara Williams free-kick rebounds off the bar
Arsenal 0-1 Birmingham City
Arsenal look rattled. They've started the game really sloppily.
A Paige Williams corner causes absolute chaos in the Arsenal box and it ends in Birmingham's captain Emily Westwood hitting the underside of the bar.
Was it in? Decide for yourselves by watching below.
Birmingham's Emily Westwood hits the underside of the bar
Arsenal 0-1 Birmingham City (Rachel Williams)
WHAT A START!
38 seconds into the game and Rachel Williams rises highest at the back post to head Birmingham into the lead.
Rachel Williams rises at the back post to head Birmingham ahead
Arsenal v Birmingham City
Arsenal: Moorhouse, Scott, Patten, Wubben-Moy, Williamson, Nobbs, Williams, Carter, van de Donk, O'Reilly, Mead.
Birmingham City: Baggaley, Sargeant, Westwood, Mannion, Carter, Stringer, Mayling, P Williams, Hegerberg, R Williams, Brazil.
Image source, BBC Sport
Image source, BBC SportBoth sides were in action on Wednesday night.
Arsenal needed a 96th minute equaliser from Jordan Nobbs to secure a point away at Chelsea. You can watch highlights of that game below.
Birmingham bounced back from their FA Cup final defeat by beating Bristol City 2-0 at home.
You can read a report of Wednesday's action here.
Women's Super League One: Chelsea 2-2 Arsenal highlights
We're around the midway stage of the inaugural WSL Spring Series and this is how the table currently looks.
Arsenal, could be described as "draw specialists" after drawing three of their first four fixtures.
Whilst Birmingham sit in sixth, after a couple of draws and a win and a defeat. They were also beaten finalists in last weekends FA Cup final.
Watch live worldwide coverage of Arsenal v Birmingham City by using the play icon at the top of this page. UK users can also relive goals in this live text.
The BBC have secured the rights to show the Women's Super League One Spring Series across TV, radio and online. The season started in April and runs until early June.
The Spring Series is a one-off transitional competition before the WSL's switch to a winter calendar for 2017-18. Each team plays each other once and there is no promotion or relegation.
Image source, Getty Images