need some advise

So my baby making journey started early I found out I was pregnant at the age of 17, just before my 18th birthday. I delivered a healthy baby boy. Just 18 months later I deliver another healthy baby boy. I thought I was done having babies until my baby at just 6 months old suddenly passed away (SIDS). I haven't birthed a child since (7.5 years). But I hadn't tried. I've been on birth control. So for 7 years I've actively been on birth control. I'm 27 now and want so baby to have another baby. I had my IUD removed January 15, and Af started the 17th. I should mention I had a period every month while having my IUD (6months). I haven't had a period since January 17th. So apparently my cycle is all out of whack. I've taken multiple hcg tests all of which has been negative. So much question is, Is there a way naturally to get my cycle back to normal? Any advice greatly appreciated! TIA!