'Zambrano', I know it can be used by people outside the UK, but I can't remember if it can be used by someone already in the UK
Sure she could try and hang on and try and stay because of best interest of the child, but it might not be the best way, that's why i said seek legal advice
Also the NHS might want the cost back and that could be expensive, also maybe problems with UKBA, I presume she didn't tell them in the additional info she was pregnant
Also the Law Centre has told her to go back, and that's probably the best advice if she wants it to be easy