Ectopic Pregnancy

-An ectopic pregnancy is an extrauterine pregnancy. Almost all ectopic pregnancies occur in the fallopian tube (96 percent), but other possible sites include cervical, interstitial, hysterotomy (cesarean) scar, ovarian, or abdominal.

-Most common symptoms: Abdominal pain and vaginal bleeding

-Evaluate with Transvaginal Ultrasound (TVUS) and quantitative hCG level. Measure hCG serially every two to three days.

-The diagnosis of ectopic pregnancy is a clinical diagnosis made based upon serial hCG testing and TVUS

-Do not depend on a single hCG result to diagnose ectopic pregnancy.

-hCG discriminatory zone: It is the serum hCG level above which a gestational sac should be visualized by Ultrasound if an intrauterine pregnancy is present. It is around 2000 IU/Liter.

-If the serial hCG is rising abnormally and is below the discriminatory zone, the diagnosis is made based upon hCG levels.

-If the hCG is above the discriminatory zone, the diagnosis is made using ultrasound findings (gestational sac with a yolk sac or embryo)

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