Heart beat guesses

Heather

I finally had my first doctor's appt for baby and me and thank the Lord everything is right on track. I am 8 weeks and 4 days. Baby is due Dec 7th the same day as my son who is 17 months. hahaha. Anyways Doctor says babies heart beat was 167. any guesses my heart and gut are telling me another Boy but I would love a girl. Do any of you ladies have a guess? or any experience with heart rate at that rate?