ce: one in 100 pregnancies?The incresing tendency?Induced factors: ? infertile? lower socioeconomic group? previous ectopic pregnancy,10-20%? salpingitis and tuboplastyРUnruptrued tubal pregnancy(L)РCASE ONEРElectrocoagulation and SectionРLoop LigatureРWhy did it implant outside uterine cavity?РUnclear Explanation of MechanismРEtiologyРTubal Factors (salpingitis )?Zygote Abnormalities? (chromosomal abnormalities )?Ovarian Factors? (unextruded ovum )?Exogenous Hormones (progestin-only oral contraceptives )?Other Factors (endometriosis ,IUD)РClassification and Specific IncidenceРTubal Pregnancy: 99%?Abdominal pound or hysterotrophic pregnancy?Cervical Pregnancy?Other abnormal pregnanciesРLocations of Ectopic PregnancyР55%Р25% IsthmicР17%РInterstitial2%Р<0.5%Р0.1%РVery rareРAmpullaryРFimbrial
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