Ruptured extrauterine pregnancy: Human embryo from an extrauterine pregnancy (tubal pregnancy, or fallopian tube pregnancy, 6th week p.c., 8th week of pregnancy).
Crown-rump length is about 9-13mm.
When nidation of a fertilized ovum takes place outside of the uterine cavity, i.e. an ovum nests outside of the uterine cavity, this is called ectopic pregnancy.
99% of all ectopic pregnancies are located in one of the fallopian tubes (tubal pregnancy, or fallopian tube pregnancy). There are three possible sites:
1% of ectopic pregnancies nest themselves in the ovar, the peritoneum, or the cervix uteri.
Source: Drvgaikwad (Dr. Vilas Gayakwad)