Confused I am 19 days post ovulation and I had a blood test to check for pregnancy and I got the results today they said I have a hcg level of 4 and to come and be re tested in 5 days,I am confused am I pregnant or not? I thought any hcg under 5 was a negative? So why the need to retest,is it normal to have a hcg of 4 in a non pregnant woman,I am 27 and have been trying to conceive for 1yr.