Definition of "Pregnancy ultrasound"

Last modified: 8 hours



Pregnancy ultrasound is the use of ultrasonography in pregnancy, where sound waves are used to create real-time visual images of the developing embryo/fetus in the mother's uterus/womb.

Purpose
  • Check for multiple fetuses
  • Assess possible risks to the mother (e.g. miscarriage, ectopic pregnancy, or molar pregnancy)
  • Check for fetal malformation (e.g. spina bifida, cleft palate, clenched fists)
  • Monitor development of the fetus, and determine if IUGR exists
  • Note the development of fetal body parts (e.g. heart, brain, liver, stomach, skull, other bones)
  • Check the amniotic fluid and umbilical cord for possible problems
  • Determine due date (based on measurements and relative developmental progress)
  • Dx pregnancy (uncommon)
Epidemiology
  • Standard part of prenatal care in many countries
  • Routine obstetric U/S before 24 weeks gestation can significantly reduce the risk of failing to recognize multiple gestations, and improve pregnancy dating to reduce the risk of IOL for post-dates pregnancy
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Definition of Pregnancy ultrasound | Autoprac


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