Babys heart rates

Michelle • Im 23 i have two boys they was born april 4,2012 (3) an october 1,2013 (2) an we having our 3ed july 16,2016
Okay this is my 3 baby an both my boys hear rates was around 140ish an this baby's heart rate is 175. Is it true that the higher the heart rate its a girl an the lower its a boy?