Exam 4: Ultrasound in the First Trimester

The practitioner is evaluating a woman who is at high risk for an ectopic pregnancy. The β-hCG level is far above the level expected for an intrauterine pregnancy and there is no intrauterine sac seen on ultrasound. Which is the appropriate interpretation of the information?

The practitioner is conducting a transvaginal ultrasound to confirm the presence of an intrauterine pregnancy. The practitioner notes a small fetal pole with cardiac activity. What is the approximate gestational age?

At 12-weeks' gestation, increased nuchal translucency is noted by ultrasound examination of the fetus. Which is the best interpretation of this finding?

The practitioner is attempting to locate cardiac activity in the fetus during an ultrasound examination at approximately 5 ½ weeks gestation. Which is the recommended practice for the practitioner?

During the ultrasound examination in the early weeks of pregnancy, the practitioner notes several cystic areas within the uterus. Which is the most appropriate interpretation of this finding?

Which measurements does advanced biometry in the first trimester pregnancy provide? Select all that apply?

During an ultrasound examination, the practitioner notes a subchorionic hemorrhage (SCH). The fetal heart rate remains detectable at rates greater than 100 beats per minute. Which is the most appropriate interpretation of the findings?

The pregnant woman has had several ultrasound examinations. She asks "Which due date should I use? I've gotten different dates with each ultrasound." Which is the best response to her question?

The woman's examination reveals a positive β-hCG with levels consistent with pregnancy. Her ultrasound findings demonstrate a thickened endometrium and an empty uterus. Which is the best interpretation of these findings?

The ultrasound examination reveals a yolk-sac of 8 mm at 8 weeks gestation. Which is the best interpretation of these results?