In early pregnancy you're more likely to have a vaginal ultrasound. You could have your first ultrasound between 6 and 10 weeks, or you may need to wait to see your baby until your mid-pregnancy ...

The diagnosis of ectopic pregnancy requires differentiating ... 4.5-5 weeks gestation and a yolk sac is visible on ultrasound by as early as 5 weeks. A fetal pole with heart motion can be seen ...

Published in Annals of Family Medicine, a University of Minnesota Medical School research team found that implementing ...

How many weeks pregnant am I? To determine your due ... so your due date may be adjusted if an early ultrasound indicates ...

First-trimester physical examination ±2 weeks Second-trimester ... the 8% MOE 142 days x 0.08 = MOE 11.36 5. If the difference is greater, use the ultrasound date Difference > MOE = US date ...