Can Stopping Birth Control Pill And Being On Methanthetamine Cause Delayed Periods?

i recently stopped taking my pill and had my period for almost 2 weeks and now i havnt had it for 5 weeks, is this my bodies reaction to not having the contraceptive anymore? or can using methanthetamine make you skip your period?

i am 21, 168 cm tall and weigh 68kgs



i have no previous medical illnesses