social media

We learned a week ago at almost 17 weeks our son had passed away. Yesterday I had a d&e. I'm shattered emotionally. 
We waited until we were in the clear then announced on social media we were expecting. Now only close friends and family know the baby is gone. 
Today an aquaintence on Facebook posted a link on how to crochet baby Van sneakers. She's done this before with suggestions for my daughter which I always thought was nice. 
Now I'm just heartbroken and sobbing. 
Do we post online that we lost our son? How do we do this? I'm so torn