Don't worry, It's normal. Postpill will mostly cause this kind of period irregularities, breakthrough bleeding and also might cause delayed menstruation.

don't worry, it's normal. my girl bled for 11 days but nothing happened after that. so it's cool

No, i suggest u should counsel or check if ur pregnant

don't worry, My gf bleeding for 7 days long then after she is normal

Oh HELL NO!! It's NOT NORMAL!! Go talk to health workers