Journal club MCQ June 2019

Routine ultrasound at 32 vs 36 weeks’ gestation: prediction of small-for-gestational-age

Learning Objectives:

Upon completion of this activity, the participant will be better able to:

To evaluate the performance of routine ultrasonographic estimated fetal weight (EFW)

and fetal abdominal circumference (AC) at 31+0 to 33+6 and 35+0 to 36+6 weeks’ gestation in the prediction of a small-for-gestational-age (SGA) neonate.

a. 35+0 to 36+6 weeks’ gestation

b. 31-33+4 weeks’ gestation

c. no differences

a. AC Z score

b. EFW Z score

c. No differences

a. Both AC and EFW <50th percentile

b. AC <50th percentile

c. EFW <40th percentile

a. There were no significant differences in the predictive performance between AC and EFW

b. AC was better than EFW

c. EFW was better than AC

a. Was similar between the groups

b. In the SGA population detected at 31-33+6 weeks’ gestation

c. In the SGA population detected at 35-36+6 weeks’ gestation