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. 2023 Mar 9;6:36. doi: 10.1038/s41746-023-00774-2

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Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 6 — Schematic of training process for multiple ultrasound standard plane-based gestational age (GA) estimation. Pre-trained models are based on single standard plane images trained with Consistent Rank Logit Loss. The final multiple standard plane model is trained with L1-loss. HC Head Circumference; AC Abdominal Circumference; FL Femur Length; GA Gestational Age.