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GYNECOLOGY

Why are some ectopic pregnancies characterized as pregnancies of unknown location at the initial transvaginal ultrasound examination?

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Pages 1150-1154 | Received 26 Apr 2008, Published online: 03 Aug 2009

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Bin-Bin Jin, Yi-Zhen Gong, Yan Ma & Zhong-Hui He. (2018) Gynecological emergency ultrasound in daytime and at night: differences that cannot be ignored. Therapeutics and Clinical Risk Management 14, pages 1141-1147.
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Janet Berry, Mark Davey, Mei-See Hon & Renée Behrens. (2016) Optimising the diagnosis of ectopic pregnancy. Journal of Obstetrics and Gynaecology 36:4, pages 437-439.
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A. Nargund, S. Majumdar & I. Stokes. (2013) Heterotopic pregnancy after spontaneous conception. Journal of Obstetrics and Gynaecology 33:4, pages 425-425.
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