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It is not at all advisable to do this at home.It needs medical supervision.
Now , you may be having a part of tissue still left inside your uterus
.This can cause abdominal cramps and bleeding.I advise you to visit your Gynecologist and get evaluated.If there is tissue left , that can be be removed by a simple procedure which does not need any admission.
Please keep in mind that it is very important for you to see Doctor now barring all social factors.The tissue inside can get infected and can be life threatening too.
If you need more information feel free to mail me.