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( Blood type and personality http:///xx/)

Obstetrics and gynecology investigation also found that the most women with pregnancy poisoning are O type, and they are closely related to neonatal hemolytic disease. In addition, bladder cancer and prostate cancer are also common in people with type O blood, especially those who have difficulty urinating and painless hematuria between the ages of 40 and 60. They should seek medical treatment in time and undergo further examination.