Biophysical profile

A biophysical profile is an ultrasound exam performed when a pregnant woman is past her due date, or earlier if she has other issues placing her at increased risk for complications, in order to determine fetal well being. It includes the following measurements: Amount of amniotic fluid – 2 points Fetal movements – 2 points Fetal tone – 2 points Fetal breathing movements – 2 points The fetus is scanned for up to 30 minutes. Each of 4 criteria is given a score of 2 (if normal) or 0 (if abnormal). The maximum total score is 8. The examination is ended when components meet normal criteria or 30 minutes have elapsed.