New mom to be - HELP

My husband and I were TTC, and we are finally pregnant!

As much as I am excited and happy about it but I’m extremely nervous. This is my first pregnancy so I don’t know what to do and what not to do. How to make sure that my baby is healthy and not do anything that my affect him/her. What food to avoid. Etc.

I’m traveling right now so I can’t go to a OB at the moment.

Any information or advices is much appreciate it 😊