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. 2022 Sep 6;2022(4):hoac038. doi: 10.1093/hropen/hoac038

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© The Author(s) 2022. Published by Oxford University Press on behalf of European Society of Human Reproduction and Embryology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 8. — Ultrasound images showing various factors related to a transabdominal ultrasound-guided embryo transfer. (A) Zoom window focused on the uterine cavity. (B) Deep field view of embryo transfer (ET) during catheterization. (C) Retroverted uterus ET. (D) ET catheter approaching the fundal part of the endometrium. (E) Measurement of distances between tip of catheter and fundal endometrium and between embryo bubble and endometrium. (F) Artefacts during ET: example of mirror image artefact (uterus is anteverted but there is a false image showing a retroverted uterus).