Scanty Period. You. please reach out.

Hi , Actually I usually have irregular periods, sometimes it is preponed and sometimes postponed. But now I am seeing a new thing. For last two months it was on time and also flow was good. On april month I first noticed it , my period is starting say a week or later and when it starts , I get a golp of blood and then nothing again say after 5-6 hrs suddenly another golp of blood then again nothing then again say after 30 hrs again another golp of blood and then nothing. This month also I am noticing the same. I don't have pcod because I tested and no cyst were present. Can anybody please suggest me what can be the issue , based on the issue and suggestion , accordingly would connect with you. Please reach out.