The Republic of Ireland international has put pen to paper on a one-year contract, extending her stay until 2021.
The left-back, who has made 42 appearances for the Club, is currently recovering from a foot injury but insists she is more motivated than ever to achieve success, asserting the best is yet to come.
“I’m really pleased to have signed a new contract, especially knowing I’m unfortunately injured at the minute,” she declared.
“When you’re injured, it’s always a difficult situation when you’re coming to the end of your contract and you’ve picked up an injury or a niggle but I’m glad City have given their full backing and support behind me to get back fit.
“To have that faith from the Club is a nice gesture and I’m looking forward to getting back fit and playing again.
“I don’t think anyone has seen the best of me yet – I don’t think I’ve seen it from myself as a footballer.
“There were glimpses at the end of 2017 in the Spring Series and the FA Cup Final where I got to show what I’m about.
“I’m more driven than ever to be back involved.”
Having been sidelined since January, Campbell missed the final month of the 2019/20 campaign and is now continuing her recovery at home during lockdown.
Although she admits the situation has been unusual, the defender explained her rehab is on track and expressed her excitement at the prospect of returning as the Club opens a new chapter with new Head Coach Gareth Taylor at the helm.
“I’m progressing well,” she added. “I’m in constant contact with the Strength and Conditioning Coach and the Physio on Teams, Zoom and FaceTime – there are loads of outlets to keep in contact.
“I’m on track with where I need to be and I’m meeting with the surgeon soon so I’m looking forward to that to see what he thinks of my progress.
“Hopefully, I’ll get back running soon – back on the grass. I’m thankful for the people around me.
“Everyone is really excited and really looking forward to the new season and seeing what Gareth Taylor is about.
“I’m itching to be around that, getting coached by him. He’s driven and passionate about the Club and he’s going to bring something different to the team in terms of style of play and the way we approach things and I’m intrigued.
“On a personal note, I’d like to get fit and be back around the team, playing as many minutes as I can.
“I don’t want to be known as the person who was always injured. I want people to know more about me as a player.
“I’m buzzing to get back.”
City's Head of Women's Football Gavin Makel reflected: “We’re extremely pleased that Megan has committed herself to Manchester City Women for another season.
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“She has proven herself to be an integral member of our set-up in recent years and we’re thrilled that she has followed in the footsteps of a number of her teammates by putting pen to paper on an extension with the Club.
“Despite her injury set-back at the start of 2020, the positive attitude and resolute determination she has shown during her rehab has been admirable and we look forward to her return to action alongside the rest of the squad in the upcoming 2020/21 Barclays FA Women’s Super League season.”