how early can twins be detected on ultrasound
Confidence votes 56. To see twins, it depends what kind of twins you are having. Faternal twins (Two (2)separate eggs that are both fertalized) can be seen on your first ultrasound, as early as 6 weeks or 4 week if your doctor orders a vaginal ultrasound.aternal twins (Two (2)separate eggs that are both fertalized) can be seen on your first ultrasound, as early as 6 weeks or 4 week if your doctor orders a vaginal ultrasound.