Emma was recalled from her spell at Crystal Palace earlier this month, having played six times for the Eagles in WSL2.
She will now gain experience in Liga MX Femenil for the second part of the campaign, and Marc Skinner hopes she can get minutes on the pitch and develop over in Mexico.
“This a different type of experience for Emma, which will also help her grow,” he told reporters on Tuesday.
“In this next block, we need her to play, because I want her to realise the great talent she is.