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Traditional obstetric sonograms are done by placing a transducer on the abdomen of the pregnant woman. One variant, transvaginal sonography, is done with a probe placed in the woman's vagina. Transvaginal scans usually provide clearer pictures during early pregnancy and in obese women.
It is preferred over abdominal ultrasonography in the diagnosis of ectopic pregnancy. [2] It also can be used to evaluate patients with post-menopausal bleeding. [3] The finding on transvaginal ultrasound of a thin endometrial lining gives the physician a 99% negative predictive value that the patient does not have endometrial cancer. [3]
Device for both vaginal ultrasonography and abdominal ultrasonography Transvaginal ultrasonography to check the location of an intrauterine device (IUD). The examination can be performed by transabdominal ultrasonography, generally with a full bladder which acts as an acoustic window to achieve better visualization of pelvis organs, or by transvaginal ultrasonography with a specifically ...
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The criteria depends on the type of ultrasound exam performed. A transvaginal ultrasound provides a better view of early pregnancy than a transabdominal ultrasound. [8] Generally, a transvaginal ultrasound is used to investigate a suspected case of blighted ovum. [2] [7] A pregnancy is anembryonic if a transvaginal ultrasound reveals a sac with ...
Instead, the best test in a pregnant woman is a high resolution transvaginal ultrasound. [1] The presence of an adnexal mass in the absence of an intrauterine pregnancy on transvaginal sonography increases the likelihood of an ectopic pregnancy 100-fold (LR+ 111).
Retroverted uterus; Other names: Tipped uterus: A transvaginal ultrasound showing a retroverted uterus during pregnancy. The cervix lies posteriorly to the urinary bladder, and the uterus normally extends superiorly from it, but the direction of the body of the fetus reveals that the uterus extends backwards.
Ultrasound either abdominal or transvaginal to assess cervix, placenta, fluid and baby [18] Amniocentesis is the national standard for women over 35 or who reach 35 by mid pregnancy or who are at increased risk by family history or prior birth history.