From the case: Failed early pregnancy


Transvaginal ultrasound

Modality: Ultrasound

- “ First-trimester bleeding complicates up to a fourth of all pregnancies, from those, half ends in spontaneous miscarriage. Lack of cardiac activit...”

Used in the following article:

  • Mean sac diameter - “ Mean sac diameter (MSD) is a sonographic measurement of the gestational sac which is usually first seen at around 3 weeks after conception (5 week...”
  • Gestational sac - “ The gestational sac (GS) is the first sign of early pregnancy on ultrasound and can be seen with endovaginal ultrasound at approximately 3-5 weeks...”

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