From last 2 days I'm having very light blood flow which start with the time of I wake up from sleep and very slow or no flow you can say then in evening it stop automatically and then nothing in night then again it start in next morning..im suffering from pcod and I hv taken deviry 10 for getting period... Last week I hv seen spotting for 4 days and then I started deviry 10 then in 3 days now very light flow in day time what can be the cause