if your baby s heart rate averages in the 110 to low 130s range the thought is that it s more likely a boy and if it s in the mid 140s to 160 range it s more likely a girl mid 130s to 140s is unpredictable and where a lot of heart rates fall
A Sergeant is the second-lowest grade of NCO (Non-Commissioned Officer), directly above Corporal. Sergeants command small units of soldiers ranging in size from a fireteam, 4-5 soldiers, to a squad, which consists of two fireteams, and have a great deal of influence of the everyday lives and activities of their men.
In today's Air Force, the term sergeant refers to all Air Force non-commissioned officers up to senior master sergeant (E-8). An airman who has achieved the rank of chief master sergeant (E-9) is referred to as Chief. Those in the grade of staff sergeant (E-5) and technical sergeant (E-6) are referred to as non-commissioned officers, while those in the grade of master sergeant (E-7) through chief master sergeant (E-9) are referred to as senior non-commissioned officers.