4 days late

Nay • Been try for almost 4 months to get Pregnant👶🍼👣
Had Chlamydia may 14 and got treated my period came on May 2 to the 5 but my calendar said May 5 and its never wrong but idk what's going on it said period 29 of May never came did my period tracker said June 2 still no cramps nothing should I worry