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Obstetric ultrasonography, or prenatal ultrasound, is the use of medical ultrasonography in pregnancy, in which sound waves are used to create real-time visual images of the developing embryo or fetus in the uterus (womb).
Most ectopic pregnancies (90%) occur in the fallopian tube, which are known as tubal pregnancies, [2] but implantation can also occur on the cervix, ovaries, caesarean scar, or within the abdomen. [1] Detection of ectopic pregnancy is typically by blood tests for human chorionic gonadotropin (hCG) and ultrasound. [1]
A cervical pregnancy is an ectopic pregnancy that has implanted in the uterine endocervix. [2] Such a pregnancy typically aborts within the first trimester, however, if it is implanted closer to the uterine cavity – a so-called cervico-isthmic pregnancy – it may continue longer. [3]
The gold standard for diagnosing a heterotopic pregnancy is the transvaginal ultrasound. However, the sensitivity of the transvaginal ultrasound for diagnosing a heterotopic pregnancy has been found to range from 26.3% to 92.4%. [5] Therefore, both clinical symptoms and ultrasound imaging are used to make the diagnosis.
to identify adnexal masses, including ectopic pregnancy, to diagnose gynecologic cancer; in infertility treatments to track the response of ovarian follicles to fertility medication (i.e. Pergonal). However, it often underestimates the true ovarian volume. [2] Through transvaginal sonography ovarian cysts can be aspirated.
Medical ultrasound includes diagnostic techniques (mainly imaging techniques) using ultrasound, as well as therapeutic applications of ultrasound. In diagnosis, it is used to create an image of internal body structures such as tendons, muscles, joints, blood vessels, and internal organs, to measure some characteristics (e.g., distances and velocities) or to generate an informative audible sound.
An ectopic pancreas is an anatomical abnormality in which pancreatic tissue has grown outside its normal location and without vascular or other anatomical connections to the pancreas. [2] It is a disease which is congenital [ 2 ] and is also known as heterotopic, accessory, or aberrant pancreas.
On the left fallopian tube there is an ectopic pregnancy and hematosalpinx (marked by red arrows). The right tube is normal. ... A gynecologic ultrasound will show ...