4. 1st Trimester Obstetric/OB Ultrasound Protocol


It is important to use proper terminology when describing miscarriages:

Clinical ExamUltrasound Findings
Threatened MiscarriageAbnormal vaginal bleeding during a viable pregnancyNormal IUP
Inevitable MiscarriageVaginal bleeding with a dilated cervix while still retaining all products of conceptionNormal IUP or products of conception near cervix
Incomplete MiscarriageSome products of conception have been retainedRetained products of conception
Complete MiscarriageAll products of conception have been expelled and bleeding has stoppedEmpty, non-gravid uterus
Missed MiscarriageThe fetus is non-viable but no products of conception have been passedIUP with no cardiac activity or fetal movement

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