Finding out the gender tomorrow!!!!! :)

Heather • 21 • Happily married • Army Infantry Wife • Mom to 2 fur babies {w/ our first on the way} 💙
So according to all the old wives tales, they all point to a boy!! EXCEPT my baby's heartbeat has been 177 (8 weeks), 164 (12 weeks), and 152 (16 weeks) which people say the higher the heartbeat, the more likely it's a girl. Does the Ramzi theory say girl too?? These ultrasounds were at 8 weeks.