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Cause

And genetic factors and family, about 20 to 25 percent of ovarian cancer patients have a family history. In addition to environmental pollution, the impact of industrial dust, as well as the endocrine factors and other factors will continue to induce ovulation ovarian tumors.

Symptoms

1, abdominal increased intra-abdominal mass, abdominal pain: a general slow-growing benign and malignant can increase rapidly in the short term. When the tumor developed to a certain size, the regular or sense of abdominal distension palpable mass, gradually grew up. Rarely benign abdominal pain, such as tumor torsion, tumor rupture, bleeding or infection, can cause abdominal pain.

2, symptoms of oppression: a huge tumor can cause dyspnea, palpitations, lower extremity edema, urinary frequency and constipation, and so on. When the cancer to surrounding tissue and nerve infiltration or pelvic veins, which can cause abdominal pain, low back pain or sciatica and lower extremity edema.

3, some patients have abnormal menstruation.

4, late show from time to time wasting, severe anemia, such as cachexia phenomenon.

Infertility

In general, ovarian tumor in the following situations can cause infertility: â‘  ovarian tumor growth too much too fast can affect blood and ovaries of ovulation. â‘¡ certain ovarian tumors appear to reverse the acute and chronic, broke down, and the effects of ovarian blood supply caused by necrosis, then appear ovarian and non-ovulatory dysfunction, such as bilateral, the greater the impact. â‘¢ contains some of the endocrine function of ovarian tumors, ovarian, such as thyroid tumors, ovarian particles - theca cell tumors, testicular tumor cells, and so on, can be contained in their tumor tissue and produce some of the different components of the corresponding hormone, thereby interfering with the ovarian hormones The normal secretion and ovulation, the emergence of amenorrhea, uterine bleeding, infertility and hair symptoms. â‘£ some of the malignant ovarian tumor, or great, so that most of the ovarian tissue damage may occur ovarian dysfunction, not ovulation, the surrounding tissue and adhesions, such as blocked fallopian tubes, can cause infertility.