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. 2015 Nov 21;13:126. doi: 10.1186/s12958-015-0120-2

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© Ouyang et al. 2015

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided 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 Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 1 — Ultrasound findings of a typical CSP. Longitudinal section of the uterus showing a 6 + 3 weeks with cardiac activity gestational sac (Case 1; crown–rump length:3.6 mm) implanted into a previous Cesarean section scar and protruding towards the urinary bladder with strong peripheral color doppler signals