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A "blob sign", which consists of the ectopic pregnancy. The ovary is distinguished from it by having follicles, whereof one is visible in the field. This patient had an intrauterine device (IUD) with progestogen, whose cross-section is visible in the field, leaving an ultrasound shadow distally to it.
Ovarian pregnancy refers to an ectopic pregnancy that is located in the ovary. Typically the egg cell is not released or picked up at ovulation, but fertilized within the ovary where the pregnancy implants. [1] [2] [3] Such a pregnancy usually does not proceed past the first four weeks of pregnancy. [3]
Four criteria for differentiating ovarian from other ectopic pregnancies: The gestational sac is located in the region of the ovary. The ectopic pregnancy is attached to the uterus by the ovarian ligament. Ovarian tissue in the wall of the gestational sac is proved histologically. The tube on the involved side is intact.
Gynecologic ultrasonography or gynecologic sonography refers to the application of medical ultrasonography to the female pelvic organs (specifically the uterus, the ovaries, and the fallopian tubes) as well as the bladder, the adnexa, and the recto-uterine pouch. The procedure may lead to other medically relevant findings in the pelvis.This ...
In the case of an unruptured ectopic pregnancy, local feticidal injection can be used to remove the ectopic pregnancy. For this method, ultrasound is used to guide a needle to the ectopic pregnancy and substances such as potassium chloride and hyperosmolar glucose are injected directly into the gestational sac. [3] The use of this method can be ...
By approximately 10 weeks, hCG plateaus and ultrasound is preferred to determine the location of the pregnancy (i.e., intrauterine or ectopic). [19] In the presence of prior pelvic imaging, fetal heart tracing with Doppler sonography is sufficient to assess fetal viability beginning at 10–12 weeks of gestation.
The International Society of Ultrasound in Obstetrics and Gynecology (ISUOG) recommends that pregnant women have routine obstetric ultrasounds between 18 weeks' and 22 weeks' gestational age (the anatomy scan) in order to confirm pregnancy dating, to measure the fetus so that growth abnormalities can be recognized quickly later in pregnancy ...
A sensitive serum pregnancy test is typically obtained to rule out ectopic pregnancy. Culdocentesis will differentiate hemoperitoneum (ruptured ectopic pregnancy or hemorrhagic cyst) from pelvic sepsis (salpingitis, ruptured pelvic abscess, or ruptured appendix). [28] Pelvic and vaginal ultrasounds are helpful in the diagnosis of PID.