Should second trimester ultrasound be routine for all pregnancies?

Michel Makhlouf, George Saade

Research output: Contribution to journalReview articlepeer-review

10 Scopus citations


Ultrasound use has become ubiquitous in pregnancy. We review the evidence regarding the benefits of routine ultrasound use during pregnancy. Routine ultrasound use before 24 weeks improves detection of undiagnosed twins, reduces postdates inductions, and allows detection of fetal anomalies before birth. Wide variations exist in the sensitivity of ultrasound in detecting fetal anomalies. These may be related to equipment, training, and maternal characteristics, such as obesity. Standards have been developed for the performance of routine fetal ultrasonography in the second trimester. The benefits of routine first trimester ultrasound in the diagnosis of structural fetal anomalies or of routine ultrasonography after 24 weeks are not proven. As ultrasound technology improves and obstetrical care changes, new uses of routine ultrasonography may emerge.

Original languageEnglish (US)
Pages (from-to)323-326
Number of pages4
JournalSeminars in Perinatology
Issue number5
StatePublished - Oct 2013
Externally publishedYes


  • Pregnancy
  • Routine
  • Second trimester
  • Ultrasound

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Obstetrics and Gynecology


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