The meaning of a small biparietal diameter in the first trimester for pregnancy outcome.

Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology

PubMedID: 23554066

Socolov D, Deloison B, Bernard JP, Ville Y, Salomon LJ. The meaning of a small biparietal diameter in the first trimester for pregnancy outcome. Ultrasound Obstet Gynecol. 2013;.
In absence of neural tube defect, a small BPD at first trimester does not seem associated with other adverse outcome and women should be immediately reassured.