how soon can an ultrasound be done
You may have an early ultrasound at your practitioner's office at 6 to 10 weeks to confirm and date the pregnancy. Or you may not have one until the standard midpregnancy ultrasound between 16 and 20 weeks.ltrasound exam. At a mid-pregnancy ultrasound, usually done between 16 and 20 weeks, your baby will be carefully examined. Quad screen (second-trimester prenatal screening). Find out what the multiple marker screening test can tell you.