Infertility??

Me and my boyfriend have been trying for a baby, we’ve had sex approximately everyday during my ovulation week. My period was late by a few days..so I thought maybe....just maybe I could be pregnant. I was feeling nauseas almost everyday and I would have cramp like pains a lot. I saw blood one morning and thought it was my period but it was very light and I thought it was spotting. I took a pregnancy test this morning and it came back negative. Am I Infertile ??