Measurement of fetus: When we are looking at a pregnancy on ultrasound early in the first trimester, we can often see the earliest sign of the fetus next to something called the yolk sac. We refer to this early embryo as the "fetal pole". I hope that this answers your question!
Answered 1/13/2014
4.9k views
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question