Trying to conceive

Stone

Me and my boyfriend have been trying to get pregnant for a little over 2 months.. so far nothing has happened. I did get 2 positive tests and then maybe 4 days later i started bleeding. my period is irregular, it comes when it feels like it lol. I invested in some vitamins, B-12, folic acid, zinc, elderberry, should i just get a prenatal? also i just started my OPK journey. has anyone ever used a fertility lube?