Could Irregular Periods With Iron Deficiency Be Due To Hormonal Imbalance?

Hey i wnt to ask that i had period problem since 10 yrs , its been irregular due to iron deficiency , i took chk up from dr , she said evrythng normal just iron deficiency is the reason , she gav me pills , wid the pills its normal but without pills no bleeding , i left the pills n then i got periods sometimes aftr months , just spotting , im not married yet im worried , people say it wud b normal aftr marriage , its just harmonal imbalanc due to iron deficiency , wats ur opiniob