Abstract
Historically, transvaginal ultrasound (TVU) has been considered superior to transabdominal ultrasounds (TAU) in measuring the thickness of uterine lining (Marasinghe JP et al.,2009; Karavani G, et al.,2018). In addition, endometrial thickness is directly correlated with ART success with poorer outcomes when the endometrial thickness is < 7 mm. However, nearly all studies have utilized an abdominal probe to measure the endometrial thickness at the time of ET, and to our knowledge no previous studies have compared whether there are differences between an abdominal measurement and that of the supposedly more accurate vaginal approach at the time of embryo transfer (ET). We therefore aimed to determine if TVU endometrial measurement is more accurate than TVA.
Published Version
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