Too many ultrasounds

A recent Canadian study suggests that women with uncomplicated pregnancies are having too many ultrasounds. According to the study, out of 1.4 million cases of pregnancies studied from 1996 to 2007, 37 percent of the pregnant women were having three or more ultrasounds. 20 percent of women were having more than four tests.

How many ultrasounds have you had in a single pregnancy?