Need answers 🙄

Carrie-Lynne • Mommy of 3 angels 💙💙 Feb. 23, 2015 & Jan,2016 & April,2019 Currently trying for our rainbow baby 🌈

So I was supposed to start my period on Wednesday 24th I didn't start, then I was 4 late I started my birth control patch (Xulane) on that Sunday 28th and still havent had my period I'm now 6days late. Should I be worried I haven't started yet?