Talk to Gynecologist on Light Periods Flow

I am mother of 15 months old baby and alhamdolliah i conceived in a first month of my marriage from a couple of months i am facing light periods flow ie 1 pad a day i always have normal flow not too light not too heavy but i am now worried about flow i am getting my period on time exact on 28 aur 29 days but flow is low from last 2 months i am not on any contraceptive please tell me is it anything to worry about will i able to conceive in future beach alhamdolliah i have no medical history and related to periods my periods were regular and fine please help