Scared and don't need judgmental responses

Hey im a mom of 2 boys And I have one otw now I have a concern I was at a friends house around the beginning of my 8 months and she had baked brownies me being fat I ate one I didn't know they where thc in them she neglected to tell me until afterwards I guess I shouldn't have been sneaking around her kitchen but I'm worried i don't want to lose my baby over one stupid thing I'm scared i am 38 weeks today.BTW

Ps. I haven't smoked my entire pregnancy I've been clean and I just want to know should I be worried?