Pls reply.....

My last period started jan22 cycle length28 days and regular but I cannot get the period this month eve says that 3 days late on my period.I am scared abt this,I have 2 kids 3yr,1and half yrs.we used withdrawal one of my fertile days and he finished outside.my husband is ok with another baby,but i dont want bc two are cesarian .what should I do?pls help.If I get correct result with blood check on tommorrow or home test.pls reply .

Help pls......