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If the symptoms have occurred during midcycle time, it could be suggestive of ovulation bleeding, breakthrough bleeding, hormonal imbalances, endometrial changes etc. You should consider visiting your doctor/gynecologist for examination and thorough evaluation to look for the underlying cause. Treatment as appropriate (based on examination findings and investigations results) would be started to help you control the abnormal bleeding/discharge that you describe and regulate your periods. Observe your menstrual cycles for next 2-3 cycles and report to your treating doctor/gynecologist if the symptoms are persistent or recurrent. Consider being in regular monitoring and follow-up with your treating doctor/gynecologist and report any new/abnormal symptoms immediately. Drink plenty of water. Take adequate rest. Maintain healthy diet.
Take care.