Your periods being irregular, I hope you have been investigated for the same. Sometimes hormonal imbalance is the cause, but at times ovarian cysts, and
thyroid deficiency can also cause period irregularity.
If you are not sexually active, you may approach a gynecologist and get help of medicines to get your periods, and also evaluate your hormones.
But if you are sexually active, you may do a urine
pregnancy test on a early morning sample and see the result. If negative or positive, visit a gynecologist to get treated