When your friend is having a hard time TTC and you were able to fairly quickly

I'm about 5w4d (very early I know so I know I'm not out of the woods yet) and it took on my second cycle. My best friend has been TTC for maybe about a year now with terrible difficulty and suffered through a miscarriage.

I would love to hear from any ladies that have been in a similar situation either from my side or my friend's on how to be as supportive for each other as possible.

I don't want to upset my friend by talking to much about my pregnancy but she's my best friend so it'll be hard for me not to want to share. And obviously I want to be there for her as much as I can!

Thank you ladies!