Increased leukorrhea and pain in the lower abdomen may be caused by the following reasons: 1) the most common is caused by pelvic inflammatory disease. 2) caused by uterine fibroids. 3) pelvic tumors can also cause this situation. 4) after pregnancy, this situation can also occur, often caused by miscarriage with an aura. 5) endometrial cancer and cervical cancer can lead to increased leukorrhea and pain in the lower abdomen. For this situation should be taken seriously, it is recommended to actively go to the hospital to do gynecological examination, if necessary, also need to draw blood to check the blood HCG and progesterone, to understand whether it is pregnant, whether there is a pre-eclampsia, also need to do ultrasound examination, according to the corresponding examination will be able to understand the causes of leucorrhoea, pain in the abdomen, and then given to deal with.