Which cardiac chamber is normally located most anterior in the fetus?

Upon sonographic analysis of a 31-week fetus, you visualize an echogenic, triangular-shaped mass within the fetal chest. Which of the following would most likely result in this manifestation?

Days 15-28 of the menstrual cycle correlate with:

A triploidy fetus has:

A 42-year-old patient presents to the ultrasound department with a history of a myomectomy and uterine artery embolilzation. These two procedures are used to treat:

The use of an intrauterine device has been linked with an increased risk for all of the following, except:

Because of their sonographic appearance, which of the following masses would be most likely misdiagnosed as a pedunculated uterine leiomyoma?

Which of the following locations would be considered the most common location of spina bifida?

It is most important to establish fetal gender when evaluating a fetus for suspected:

Conjoined twins will occur if the cell cleavage occurs any later than day _____ of the gestation.