I was 7 days late for my period. What medicines...

Treatment of delayed period
you should know the cause by doing clinical examination and at first wait a few days Then retest If you continue to miss your period, be sure to do Pregnancy Test to exclude pregnancy , If there is no pregnancy, it is possible to take DuPhastone tablets 20 mg tablets morning and evening for 5 days , Menstrual bleeding is expected between 2 to 10 days after taking this medcation
Diagnosis
 by taking full medical history and clinical examination , and doing CBC to detect the inflamation and anemia , and Coagulation factor studies  and Human chorionic gonadotropin (hCG) level and Thyroid function tests and prolactin level and Pelvic ultrasonography
Causes

• pregnancy
• Stress
• Malnutrition
• drink too much caffeine
• Sudden lifestyle changes
•  polycystic ovary syndrome
• thyroid problems
• Birth control may cause irregularities in your cycle

Advice 
you should go to the gynecologest to get proper managment
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