Let her open up to you, but obviously don't ignore the issue, when my sister in law miscarried after IVF she said that the worst thing is that nobody talked about (in case they upset her) and it felt like it never happened. Acknowledge that it did by asking her how she is doing, but then let her lead the way. Bless her, her world must feel like it has come crashing down on her, I suspect at he moment she feels as though she has very little to go on for. Just sympathise with her and be yourself. Good luck, it's not an easy situation to deal with.
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