answer:If you’re under the age for peri-menopause could just be some fluctuation of hormones, have you been exercising a lot lately or under a lot of stress or on a low cal diet? All of those things could lead to extra light or semi-abstinent flow. If you are 40+ you could be entering the twilight zone of peri-menopause with all sorts of weirdness forthcoming. Ultra short cycles, ultra long cycles, periods every 2 weeks then nothing for 2 months, heavy flow, light flow, and all in between. If you are a tampon user you could be blocking the flow as well, tampons really aren’t that great for your body even though they are convenient. I wouldn’t be too concerned unless it keeps up for several ( 3–4 ) months in a row.