流产异位妊娠英文AbortianandEctopicPregnancy尧良清.pptxVIP

流产异位妊娠英文AbortianandEctopicPregnancy尧良清第1页/共43页 Abortion and Ectopic Pregnancy第2页/共43页 Abortion第3页/共43页 Concept A pregnancy loss before 28 weeks of gestation while fetal weight under 1000 gramsEarly Abortion：pregnancy loss before 12 gestational weeks Late Abortion: pregnancy loss during 12～28 gestational weeks Spontaneous AbortionArtificial Abortion第4页/共43页 Genetic defectMaternal factors: systematic disease; genital organ anomalies; endocrine anomalies; irritation; bad habitImmune anomaliesEnvironmental factorsEtiology第5页/共43页 PathologyBefore 8 weeks: chorionic villi immature Fetal death→basal decidual bleeding →uterine contraction→expulsion of all the products of conception, light bleedingDuring 8～12 weeks：with firm attachment to the basal deciduaPartial expulsion of the products of conception→ non-ideal uterine contraction, severe bleedingAfter 12 weeks: placenta fully formed. Uterine contraction→ expulsion of all the products of conception，light bleeding第6页/共43页 SymptomsAmenorrhea, vaginal bleeding , and abdominal painEarly abortion：vaginal bleeding preceding abdominal painLate abortion：abdominal pain preceding vaginal bleeding第7页/共43页 Types of AbortionThreatened AbortionInevitable AbortionIncomplete AbortionComplete AbortionMissed AbortionHabitual AbortionSeptic Abortion第8页/共43页 Clinical PresentationsThreatened Abortion light vaginal bleeding with mild abdominal paincervical os closed, fetal membranes unbrokentreatment might work , continue pregnancy Inevitable Abortion bleeding heavier, abdominal pain more severe, or fluid passedcervical os open，pregnancy tissue visibleabortion is inevitable第9页/共43页 Incomplete Abortionheavy vaginal bleedingpregnancy tissue protruding from the cervical osuterus small for the presumed gestational week Complete Abortionvaginal bleeding decreasing, abdominal pain alleviatingcervical os closeduterus normal for the presumed gestational week 第10页/共43页 Different Stages of Abortionthreatened