图示：更近的子宫内膜移位外观，五个子宫内膜移位病灶呈红棕色至浅蓝色外观。子宫内膜移位症发生的典型部位是卵巢、子宫韧带、直肠阴道隔、骨盆腹膜、剖腹术瘢痕。也可能在较远的部位见到，如阑尾和阴道。
子宫内膜移位症：发生部位（模式图） | 镜下 | 移位于结肠（镜下） | 移位于子宫后浆膜下(大体) | 移位于子宫后浆膜下（肉眼放大） | 卵巢切面示巧克力囊肿
Upon closer view, these five small areas of endometriosis have a reddish-brown to bluish appearance. Typical locations for endometriosis may include: ovaries, uterine ligaments, rectovaginal septum, pelvic peritoneum, and laparotomy scars. Endometriosis may even be found at more distant locations such as appendix and vagina.