Fetal assessment near the limits of viability

Gary D.V. Hankins, Luis D. Pacheco, Tony Soo-Tung Wen

Research output: Contribution to journalReview articlepeer-review

2 Scopus citations


Assessments of gestational age are critical in dealing with the pregnancy at the limits of viability, 22-25-weeks gestation, where neonatal outcomes reveal very significant differences from week to week. The obstetrical team can estimate gestational age within a window of 7-10 days during this critical threshold at the window of viability via determination of last menstrual period, bimanual exam, early pregnancy test, and/or ultrasound. One must also take into account the impact of maternal disease processes, congenital abnormalities, number of fetus(es), and/or fetal growth restriction, along with ongoing evaluation and parental involvement in this decision-making process during the peri-viability period.

Original languageEnglish (US)
Pages (from-to)401-403
Number of pages3
JournalSeminars in Perinatology
Issue number6
StatePublished - Dec 2013


  • Assessment of gestation age
  • Limits of viability
  • Neonatal outcome

ASJC Scopus subject areas

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


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