I don’t know what’s going on

Maria

Soo... Im 20 and I’ve had very irregular periods since I first started getting them. I recently started to take Mayo and D-Chiro Inositol to see if maybe that would help because me and my fiancé have been trying to have a baby for almost 2 years. I’ve been to the hospital and they’ve done ultrasounds and scopes and said everything looked fine. The last two weeks I’ve been having some weird spotting. Last week it was two days and only when I wiped. Then this week it happened one time. I’ve been extremely tired, bloated and super moody. I’ve taken two test and they both came up negative. If anyone has any idea of what it could be it would be appreciated