I have a problem of irregular periods help please

?  what is the treatment
irregular periods are treated by taking duphaton tab 10 mg twice daily for 7 days, in addition to paying attention to a healthy diet rich in elements and vitamins, with frequent daily drinking of water, physical rest and avoiding hard and tired work, with psychological comfort and avoiding stress Anxiety, and a regular exercise regimen, in addition to avoiding drinking alcohol . And treatment of chronic diseases, if any present
?  What are the test required 
Clinical examination of the patient at the gynecologist and obstetrician for medical examination of the patient, with a blood test to check for the presence of infections, and a Ultrasound on the uterus and ovary to detect the presence of pathological problems
? What are the causes of irregular menstrual cycle

• Stress
• Anxiety
• Exhaustion
• Emotional instability
• Hormonal disturbance
• PCO polycystic ovary
• Thyroid dysfunction
• Pelvic inflammatory diseases
• Endometritis

Yes you can take duphaston tabs twice daily for at least 5 days or further for 14 days 
After stopping it period will come 

You are welcome 
Kind regards