could It be a sign of pregnancy

Tatted

Hello ladies I had a question me and my husband are trying to have a baby well Saturday I started spotting so I put a pad on thinking it would come heavy well no it didn't it was coming out brown and then today I have nothing and usually i last 5 days and the 2 and 3rd day are heavy and red well I only lasted 2 days with no smell and brown should I be worried