Has anyone experienced brown discharge after period?

This month my menstrual cycle came on its normal time but it was fairly light. After my period was coming to an end I had intense sharp pelvic pain for two days. It hurt like nothing I've had before and now although the pain is monstly gone I've started having a lot of brown discharge which I assume is blood.. I am currently not in my home country so I am unable to seek medical help but has anyone experienced this before? Does anyone know what it could possibly be? 

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