Throughout my period this month I was experiencing sickness and mood swings. It should be over but now theres more blood with flesh. What could it be?

Period Issues. Women can have mood swings and some nausea during their period. Please make sure you are not pregnant, and if you are on hormones, changing may help with the mood swings and or nausea. Change in your flow, increased amount and solidity, can also vary, is usually less with birth control. There is a chance that this episode was a miscarriage. Please see you gyn to be checked.