Hey guys just a quick question.. Am 11weeks pregnant tomorow.. And for few days on and off i have…

Hey guys just a quick question.. Am 11weeks pregnant tomorow.. And for few days on and off i have mild stomach and and today stomach has felt a bit tight n cramped nothing major.. Is this normal?? And is it normal for belly ache?? It only lasts like 5 10mins if that?? Thankyou xx