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异位妊娠(大体模式图)

异位妊娠(大体模式图)

当受精卵于子宫腔之外着床,便发生异位妊娠,约150例妊娠中会发生一例异位妊娠,大部分的异位妊娠不会维持很长时间,但是输卵管妊娠可持续至妊娠6周左右,输卵管妊娠破裂导致的急性出血常使患者休克,危及生命。

异位妊娠模式图 | 输卵管妊娠:双胞胎(大体) | 破裂切除标本(大体) | 出血(镜下) | 示血凝块和胎盘绒毛(镜下)

Ectopic pregnancies occur when the fertilized ovum implants outside of the uterine fundus. About 1 in 150 pregnancies results in ectopic implantation. Most cannot be sustained at extrauterine sites. However, a tubal ectopic pregnancy, as diagrammed here, may proceed for several weeks, but the enlargement can rupture the tube and lead to acute, life-threatening bleeding, often about 6 weeks after a previous menstrual period.


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