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卵巢妊娠是指受精卵在卵巢组织内种植和生长发育,根据受精卵种植的部位,将卵巢妊娠分为原发性与混合性两类;原发性卵巢妊娠指孕卵种植于卵巢上、卵泡内或卵泡外,包括卵巢表面、皮质内、髓质内。混合性卵巢妊娠孕卵囊壁由部份卵巢及其他组织所构成。其中以原发性卵巢妊娠为多见。原发性卵巢妊娠是一种罕见的异位妊娠,其发生率国内外文献报导中差异很大,占异位妊娠的0.36%～2.74%之间。据我院1964年～1988年25年间共收治异位妊娠707例,其中原发性卵巢妊娠20例,其发生率为2.82%,而近6年卵巢妊娠就占8例,为同期异位妊娠169例的4.73%,有明显增加趋势,与Beral 及Halatt 等报导一致,并认为这可能与宫内节育器的广泛应用有关。这8例中有6例置宫内节育器,但宫内节育器导致卵巢妊娠的机理尚不明。根据Spiegelberg 提出原发性卵巢妊娠诊断的标
Ovarian pregnancy means that the fertilized egg is planted and grown in the ovary tissue. According to the site where the fertilized egg is planted, the ovary pregnancy is divided into primary and mixed types. Primary ovarian pregnancy means that the oocyte is planted on the ovary and follicles Within or outside the follicles, including the ovarian surface, cortex, medulla. Mixed ovarian pregnancy oocyst wall by some of the ovarian and other organizations. Among them, primary ovarian pregnancy is more common. Primary ovarian pregnancy is a rare ectopic pregnancy, the incidence rate of domestic and foreign literature vary widely, accounting for ectopic pregnancy between 0.36% to 2.74%. According to our hospital from 1964 to 1988 25 years were treated 707 cases of ectopic pregnancy, of which 20 cases of primary ovarian pregnancy, the incidence was 2.82%, while nearly 6 years of ovarian pregnancy accounted for 8 cases of ectopic pregnancy for the same period 169 cases of 4.73%, a clear trend of increase, consistent with Beral and Halatt other reports, and that this may be related to the widespread use of intrauterine devices. 6 of these 8 cases had IUDs, but the mechanism of IUDs leading to ovarian pregnancy is not known. According to Spiegelberg made the diagnosis of primary ovarian pregnancy standard