Gwen Crabb was sent to the sin-bin for a high challenge on Elliann Clarke and shortly after the Wales lock rejoined the fray, Scotland extended their lead through Gallagher in the 64th minute. Orr added more gloss to the scoreline two minutes from time, with Nelson adding a fourth conversion to give Scotland a flying start.

Follow live coverage with text and score updates as Scotland and Wales open their campaigns at Salford Community Stadium.

A Francesca McGhie hat trick of tries led Scotland's 38-8 demolition of Wales in their make-or-break Women's Rugby World Cup opener in Manchester on Saturday. Both Six Nations sides were under immense pressure to win.