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Updated: Jul 2, 2026
Contrast Imaging in Mouse Embryos Using High-frequency Ultrasound
Published on: March 4, 2015
Ultrasonographer experience does not impact outcomes following ultrasound-guided embryo transfer
Isiah D Harris1, Aaron K Styer2, John C Petrozza2
1Vincent Memorial Obstetrics and Gynecology Service, Massachusetts General Hospital/Harvard Medical School, Boston, Massachusetts.
Objective:
To determine the effect of sonographer experience during ultrasound guided embryo transfer on pregnancy outcomes.
Design:
Retrospective chart review.
Setting:
A university-based academic practice.
Patient(S):
A total of 319 women who underwent in vitro fertilization and embryo transfer (IVF-ET) from the site-specific clinic. A total of 118 women (37%) underwent embryo transfers with a medical assistant (inexperienced ultrasonographer) performing ultrasound guidance, and 201 women (63%) underwent embryo transfers by an REI fellow (experienced ultrasonagrapher) performing the US guidance.
Intervention(S):
Real-time transabdominal ultrasound guidance during IVF-ET.
Main Outcome Measure(S):
Respective biochemical, clinical, and live birth rates following ultrasound-guided IVF-ET performed by either experienced or nonexperienced sonographers.
Result(S):
The two groups were similar in baseline characteristics or treatment response. Pregnancy outcomes were similar in both groups, with the MA cohort demonstrating clinical pregnancy rate of 43.2% and a live birth rate of 35.6%, and the REI fellow group yielding a clinical pregnancy rate of 44.8% and a live birth rate 35.8%, respectively.
Conclusion(S):
The clinical experience of the person performing ultrasound guidance during IVF-ET does not have an effect on clinical outcome. Thus, the use of an assistant without formal ultrasound training during IVF-ET is a reasonable option.
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