Help last month had light period

Jemma • Been trying since last year had a miscarriage in December :( but trying to conceive again
Period came early and was only very light nothing like my period as I'm anemic so my periods are always heavy and my periods last 6 days but last month was light and only lasted 4 at first was spottimg then went light when I have my period it never starts of spottimg can anyone help plz