But as she formally resigned as leader, Ms Davidson - who had campaigned for Remain in the 2016 European referendum - cited the "conflict" she had felt over Brexit.
She also said that "work has always come first" over the past eight years, but the arrival of her son Finn last October meant she now wants to make a "different choice".
Is Ruth Davidson right to urge MP's to vote for a deal? | The Nigel Farage Show podcast - Listen or read transcript on Metacast