Not all technicians feel comfortable with making these measurements and confirming a boy fetus.
A lot has happened by the time your boy fetus reaches 16 weeks.
It turns out that the way the genital tubercle forms into the penis of a boy fetus is different from how it forms into the clitoris of a girl fetus.
Findings on 11- to 14-Week Ultrasound That Suggest a Boy By looking at the angle of the genital tubercle, it is possible to distinguish between a boy and a girl fetus.
At this point, it is too late to do the early risk assessment testing.
But the technician will take measurements of your fetus that will help establish or confirm your due date.
At this gestational age, you can't distinguish between the genders on ultrasound.