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  • Title: Primary ovarian pregnancy. A clinicopathologic study.
    Author: Ricci M, Mancini L, Santini D, De Jaco P, Orlandi C, Martinelli G.
    Journal: Arch Anat Cytol Pathol; 1988; 36(3):108-11. PubMed ID: 3202656.
    Abstract:
    3 women (an 18 year old, a 33 year old, and a 39 year old) were admitted to the University of Bologna's hospital, each reporting abdominal cramping and 2 complained of vaginal bleeding and lypothymia. 2 women had an IUD and had a previous appendectomy, the other woman had a previous abortion, and all reported amenorrhea. Pelvic ultrasound helped establish the diagnosis of an ovarian pregnancy (OP), but diagnosis was confirmed using a laparotomy. A surgeon consequently performed a salpingo-oophorectomy on each woman. The researchers noted an OP incidence of 1.6% of all ectopic pregnancies in their study. All 3 cases fit the pathologic criteria for OP: 1.) normal and distinct tube; 2.) a gestational sac in the normal location of the ovary; 3.) connection of the gestational sac to the uterus by the utero-ovarian ligament; and 4.) ovarian tissue within the walls of the sac. 1 patient even had an implanted fertilized ovum which grew within the graafian follicle, and a corpus luteum was within the wall of the gestational sac. OP generally happens in women who have an IUD and/or a history of pelvic inflammatory disease, such as an appendectomy. Both risk factors may alter normal ovary functions, and OP may result from either a disorder in the release of the ovum or a delay in ovulation.
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