T-shaped uterus and subtle uterine variances: a need for reliable criteria

      The ASRM Class VII, the ESHRE/ESGE Class U1, and the T-shaped uterus have a uniquely interesting history. The T-shaped uterus was first described as a diethylstilbestrol- (DES-) related congenital uterine anomaly based on findings from hysterosalpingography by Kaufman in 1977. Together with two similar morphologic forms of the uterus—constricting bands in the uterine cavity and a widening of the lower two-thirds of the uterus—this was included as a separate class of DES-related anomalies by the Buttram and Gibbons 1979 classification, and its further modification—the American Fertility Society classification.
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        • Practice Committee of the American Society for Reproductive Medicine
        Uterine septum: a guideline.
        Fertil Steril. 2016; 106: 530-540
        • Evers J.L.
        • van Steirteghem A.
        Editorial commentary: do not put all your eggs in one basket.
        Hum Reprod. 2011; 26: 1729
        • Alonso Pacheco L.
        • Laganà A.S.
        • Ghezzi F.
        • Haimovich S.
        • Azumendi Gómez P.
        • Carugno J.
        Subtypes of T-shaped uterus.
        Fertil Steril. 2019; 112: 399-400
        • Ludwin A.
        • Ludwin I.
        • Coelho Neto M.A.
        • Nastri C.O.
        • Bhagavath B.
        • Lindheim S.R.
        • et al.
        Septate uterus by updated ESHRE/ESGE, ASRM and CUME definitions: association with infertility, previous miscarriage, and warnings for women and healthcare systems, and associated cost analysis.
        Ultrasound Obstet Gynecol. 2019;
        • Doust J.
        • Vandvik P.O.
        • Qaseem A.
        • Mustafa R.A.
        • Horvath A.R.
        • Frances A.
        • et al.
        Guidelines International Network (G-I-N) Preventing Overdiagnosis Working Group. Guidance for modifying the definition of diseases: a checklist.
        JAMA Intern Med. 2017; 177: 1020-1025

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