如图中所示，输卵管妊娠处破裂后，血凝块和胎盘绒毛覆盖其上。异位妊娠还包括卵巢妊娠腹腔妊娠和输卵管间质部妊娠。
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)
Sometimes blood clot and chorionic villi, as seen here, are recovered outside of the tube following rupture of an ectopic pregnancy. Other sites of ectopic implantation include ovary, abdominal peritoneum, and cornual (uterine) portion of fallopian tube.