anyone just getting their period back for the first time?

Nicole • Married to my soulmate 11/10/11. Had our pride and joy GEK 09/17/15 <3.
Haven't had my period since December 14 it's been wonderful! Nervous that it's going to be horrible coming back and now scared more than ever to get pregnant again. I haven't been on birth control for 10 years!! Any advice ladies my little girl just turned one last month!!