Or if you have reason to believe you were pregnant before this occurred it is best to go see your doctor for advice
Does Discharging Large Clumps Of Tissue Always Mean That You've Had A Miscarriage?
The periods in the form of large clumps or clots do not mean abortion or miscarriage. The large clumps or clots are actually the endometrial tissue which are being shed to clear the endometrium for next periods. So, don't worry if you are having periods with clumps or clots.