健康咨詢描述： 1.月經拖到十天左右正常嗎？2.白帶成黑色的，意味什么？
我今年37歲，我的月經常常到第四天就很少，五六天干凈，到第十天左右又會出現一些較淡的血水或黑水，這樣正常嗎？
這個月是四日來的月經，干凈幾天后，前幾天出現暗紅的東西，到這兩天內褲又沾上黑色的東西，今天發(fā)現黑色的白帶（無味），這是以前從沒有過的。一月份單位體檢時做過涂片化驗沒有發(fā)現  不正  常，我現在也沒有覺得有什么不適，這種象是什么原因造成的？                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        

患者性別:


本次發(fā)病及持續(xù)的時間:
目前一般情況:
以往的診斷和治療經過及效果:
病史: