period on the pill

i’ve been on the pill since late january, and have skipped all but 1 period since then, it’s now mid april i’ve just started a new packet of pills, skipping the “sugar” pills and the first day of starting the new pack i’ve gotten my period. prior to this i’ve had breakthrough bleeding a fair bit but never this heavy

just wondering if any of you ladies have any ideas as to what might be going on, and weather or not i can stop my period asap