Dont worry. Out of 10 - 3 to 4 girls suffer from this problem.
Everything will be fine. Your proper history is very important to evaluate it. Do exercise daily , eat proper healthy food like fibrous food, protein rich diet should be add in your meal.
For irregular periods - Hormonal balance , daily exercise , healthy food nd Healthy lifestyle is very important.
Keep your mind fresh .
Avoid stressful work in your life.
Next Steps
To evaluate it properly nd for perfect treatment you can consult me on practo.
Do USG ( Abd + Pelvis)
CBC