What is frank breech?

What term defines the visualization of a true gestational sac without an embryo?

Estimated fetal weight above 90th percentile is considered ___________, whereas estimated fetal weight below 10th percentile is considered _____________.

The biparietal diameter is the measurement of the fetal head at the level of the

Which of the following is an abnormal measurement for the cisterna magna?

Applying color Doppler to the transverse image through the fetal bladder will help verify

The gender of the fetus may be seen as early as

The vessels in the umbilical cord are protected by

The most accurate measurement for determining gestational age in the first trimester is the

Dizygotic twins are also known as _____________.