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

Dizygotic twins are also known as _____________.

Which of the following is the first sonographic sign of pregnancy typically seen on weeks 3 to 4?

Sonographic findings of an early intruterine pregnancy include: 

The portion on the myometrium or burrowing side of the conceptus is known as which one of the following?

What echogenic structure is seen in the first trimester filling most of the lateral ventricles in the fetal brain?

The _________ is the initial dumping ground for embryonic waste and later the placenta takes over the process.

Which of the following is NOT an indication for 1st trimester ultrasound

1st triemster 2.jpg The image above represents which of the following?

After neural tube closure, which of the three primary vesicles formed by the rostral neuropore is the hindbrain?