SEARCH RESULTS FOR: Ectopic-Pregnancy

Ectopic Pregnancy

Ectopic Pregnancy: Pathogenesis and Clinical Findings In vitro fertilization Tubal disorders leading to infertility and unknown procedural causes Previous ectopic pregnancy Underlying tubal disorder leading to previous ectopic Pelvic inflammatory disease (PID) Endometriosis Tubal surgery or disorders Age >35 Risk factor accumulation over time Smoking Impairment in tubal motility; impaired immunity (risk factor for PID) Tubal scarring leading to adhesions, obstruction, and alteration of tubal function Ectopic Pregnancy: Implantation of developing blastocyst outside the uterine cavity, most commonly in fallopian tube (other locations: interstitial > cornual > cervical > ovarian > abdominal) Embryo releases human chorionic gonadotropin (β-hCG), which supports corpus luteum to continue producing progesterone On transvaginal ultrasound: Extrauterine gestational sac with a yolk sac or embryo Embryo & trophoblast deathàloss of hormone support for the decidua (modified endometrial lining) Progesterone maintains the endometrial lining, preventing it from shedding Missed period Penetration of ovum into muscular wall of fallopian tube Tubal distention àTubal rupture Intra-abdominal hemorrhage Pregnancy cannot survive without the uterine endometrium Maternal blood extrudes through fimbriae of fallopian tubes and into peritoneal cavity Lower abdominal pain (including peritonitis in cases of hemoperitoneum) Hemoperitoneum (blood in the peritoneal cavity) Sloughing of decidua out of the uterus through the vagina Vaginal bleeding (usually in first trimester) Cessation of human chorionic gonadotropin (β-hCG) release from embryo β-hCG plateaus or decreases Authors: Jemimah Raffé-Devine Tahsin Khan Yan Yu* Reviewers: Brianna Ghali Bishwas Paudel Mackenzie Grisdale Christina Schweitzer Ron Cusano* Jadine Paw* * MD at time of publication Syncope ↓ Level of consciousness Positive β-hCG, but rising <35% over 2 days Discriminatory zone: β-hCG >2000 + absence of intrauterine pregnancy Hypotension Shock Legend: Pathophysiology Mechanism Sign/Symptom/Lab Finding Complications Published Oct 1, 2017, updated Oct 19, 2021 on www.thecalgaryguide.com

Extrauteringraviditat: Pathogenese und klinische Befunde

Extrauteringravidität: Pathogenese und klinische Befunde