This case series is presented to illustrate the clinical value of identifying, sonographically, the type of cesarean scar ectopic pregnancy that may present, as this has become more frequently encountered. The choice of surgical treatment appears to be dependent on the sonographic typing, of this specific type of ectopic pregnancy. This case study illustrates the importance of this topic, given the rising incidence of cesarean deliveries coupled with the increase in first trimester sonograms being more commonly performed. The value of proper diagnostic detection is important, given the contemporary management of this new type of ectopic pregnancy.

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Endometriosis is a condition which affects many reproductive age women. During pregnancy, an ovarian endometrioma may undergo decidualization, which may take on the sonographic appearance suggestive of malignancy. In this instance, a surgical approach for treatment may be deemed necessary. Three cases are presented with different outcomes, worthy of viewing the contrasting management. In case 1, a patient was diagnosed with a left ovarian cyst at her routine 20-week gestation sonogram. This sonographic examination was suggestive of an ovarian malignancy. The patient underwent laparoscopy with left salpingo-oophorectomy at 23 weeks gestational age, without complications. The pathologic diagnosis of the removed mass was a decidualized endometrioma. In case 2, a female patient presented with bilateral ovarian decidualized endometriomas that were demonstrated sonographically and had the appearance of malignancy. This patient was treated conservatively with serial follow-up sonograms during her pregnancy. At the 2-month post-partum follow-up sonogram demonstrated persistent bilateral endometriomas, without decidualization. However, in case 3, possible decidualization of an endometrioma was seen, and a follow-up sonogram revealed the presence of ovarian carcinoma. There is previously published support for watchful waiting when similar sonographic findings, in pregnancy, are seen.