Late period

How do i edit my period on here? I was suppose to have come on on the 8th normally have 26 day cycles and once before had a 27 day cycle and usually bleed for 4 days.. still no sign and its day 32 hd slight period pains nothing compared what i usually have really sore nipples really emotional and tempramental... i haventaken 2 hpt but was negative.. starting to get worried now as dont think im pregnant because good things never happen for me... so in the first time in 20yrs since my period started ive never missed one or have i been this late! Help please 😯 x