Fertilaid and OvaBoost

Hi guys. So im so confused. My last period was Dec 10-14. My next period was suppposed to be Jan 14. Jan 16 ( 2 days late) I started taking fertilaid for women and my husband started taking the one for men. We started together. I have a period everymonth i never missed a period. The most i was late was 4 days. Cycles run from 32-36 days. ( its beena 36 lately) well i experienced light spotting. I am 2 weeks late today and negative! I have a lot ofsymptoms  one being very very tired and lower back pain. Twinges in ovaries and feel like AF is going to come but nothing.  Took a blood test at 9 days late.. HCG Level <2. I started OvaBoost a few days ago. This would be my first pregnancy.  Has anyone taking fertilaid and has skipped a period? Or can i be pregnant but still not show, i heard many stories of women not showing until later. Help please! Please!