OBG Radiology Case - Normal Pregnancy

Question 1

True or false - it is unclear whether all women should undergo ultrasound screening during a normal pregnancy.

Answer 1

True

Question 2

List advantages of routine screening ultrasounds.

Answer 2

1. More accurate pregnancy dating
2. Less frequent labor induction for post-term pregnancy
3. Detection of multiple gestation and fetal growth restriction
4. Identification of fetal malformations

Question 3

True or false - the ACOG does not recommend routine ultrasound in low-risk pregnancies.

Answer 3

True

Question 4

What is the clinical imaging modality of choice during pregnancy and why?

Answer 4

Ultrasound - no confirmed bad biological effects in mammalian tissue in the frequency range of ultrasound medicine, great potential for identifying fetal abnormalities and providing reassurance of fetal well-being

Question 5

What are the findings of normal pregnancy in the first trimester?

Answer 5

Gestational sac location, embryo identification, crown-rump length, fetal heart motion, fetal number, uterus and adnexal evaluation

Question 6

What are the findings of normal pregnancy in the second and third trimesters?

Answer 6

Fetal number, presentation, fetal heart motion, placental location, amniotic fluid volume, gestational age, survey of fetal anatomy, evaluation for maternal pelvic masses

Question 7

When should ultrasound be used to evaluate for confirmation of clinical dating?

Answer 7

Patients who are undergoing elective repeat cesarean delivery, induction of labor, or elective termination of pregnancy