I m curious and what is ur girl baby and boy baby's heart rate since.... I had 2 previous girls and had always under 129 heart rate and now with this 3 rd baby it most time 133 to 164 mean boy baby? cuz I m exciting to find out as surpise til born see what am I going have a boy or girl baby alzo all the way natural birth!!! my guess I think I might have girl but other this it might be boy! ha!