This must be a truly horrible situation to be in, my sympathies about our rules and regulations and my congratulations on your up coming new addition to the family.
Do you get on well with your doctor? You must have had 2 scans by now, and are due for your third in a few weeks. I'd be asking your doctors advise as well as a solicitor.
Your father to be's family are burying they head in the sand and hoping the immigration problem will go away, the longer they keep their heads buried the bigger the problem will get. As with all things in life, if there's a problem then tackle head on before it gets out of control.
I wish you all the best
