For example, if according to their estimated due date, a person is eight weeks pregnant ... anywhere from 8% to 10% of cases. If you are ever feeling doubtful during your ultrasound or ultrasound ...

ACOG [27] also advises that providers discuss the limitations of ultrasound before obtaining ... First-trimester physical examination ±2 weeks Second-trimester physical examination ±4 weeks ...

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