GYNECOLOGIST hi mom of 1year 1month baby my menstrution date august 18 still not come date every month i got date 6days before period date but no come i have symptoms. like headache ,back pain, vomit sensation,stomachpain ,very low feeling full body was hard , past 13th august i m suffering from these problems i got doubt i tested pregnancy test at home (preganews) it's negative at 16th august but today not get date but too suffering till to the date plz give any suggestions mention what is problem