同房出血什么原因引起

{"name":"\u540c\u623f\u51fa\u8840\u4ec0\u4e48\u539f\u56e0\u5f15\u8d77","type":"\u60ac\u7591\u5267","area":"\u897f\u73ed\u7259","year":"1998","lang":"\u5176\u5b83","play":"\u9ad8\u6e05\u4e2d\u5b57","type1":"\u60ac\u7591\u5267"}