Uncomfortable Tummy

My husband and I started trying for a baby recently. I noticed this past week that my stomach (really lower abdomen) is sensitive to the touch. The elastic on my leggings or tying my pajama drawstring feels uncomfortable. I literally have to adjust my clothing under my belly. Is this signs of pregnancy? When I PMS this isn't one of my symptoms. I have 3 older children but it's been almost 10 years since I was last pregnant and I can't remember if this was a sign or not. FYI, my period is due in 2 days so I'm not late yet. So if it is a symptom, would it be this early on?