hi, i m 34 yr old unmarried girl, weigh 45 kg, from past some months i had periods for 2 days regular and diminishes. This month it was on 28th day as per regular cycle, but only for one day. as usual i took tab dysmen for pain, but bleeding was of brownish and mix red with tissues little bit. is this to worry as why only for 1 day , kindly suggest some remedy