Question: what to say to a friend who is unexpectedly pregnant?
Answer: Listen. One of the easiest things you can do to support your pregnant friend is to listen. ... 
Offer advice with love. Along those same lines, while you do your best to hear what they mean (not just what they say), feel free to give advice when it's asked for! ... 
Be there. ... 
Be realistic. ... 
Just be there. ... 
Trust her.