Period twice in a month

Rajeswari

Hi I got my period twice in a month . My period was on 17th dec till 21st dec and then my second period was on 7th Jan till 12 Jan. So within 17 days I got my second which seems unusual. Sumore I got some discharge on 24th dec until changed to 3 pantyliner .Can someone give opinion regarding my problem would be very helpful. Thank you