Forgive me for assuming, but it seems like you might not have a real grasp of why the Church teaches against IVF methods. BadCatholic offers a nicer explanation than I could ever give, so I suggest you take a look at what he has to say. I just got a feeling that you saying “If it wasn’t against Catholic teaching…” might mean that you don’t know why the Church teaches against IVF. And that’s okay, of course. I myself have a long way to go when it comes to Church teaching.
Now, onto your question. In terms of concrete acts, I would highly recommend your friend to chart her cycles/start looking at NFP methods. Natural fertility methods are surprisingly good at helping women conceive children. Q or anyone else who’s familiar with NFP, would you want to offer a comment?
Finally, good on you for praying for her, Anon. Pray that whatever the circumstance, you and your friend will give glory to God.