i started using the patch last year in November...

Dear Customer
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Treatment of period delay:

It depends on the cause, and mostly you will not need any treatment as your period will occur regularly again within weeks

Causes of delayed period:

According to your question, the delay happened due to hormonal disturbances after one year of using the patch.
And it may be due to:

• Uterine fibroids
• Ovarian cyst
• Infection...etc

Diagnosis of the cause of delayed period:

You have to visit a gynacologist for clinical examination and investigatios as:

• Abdomen and pelvis US
• LH, FSH, TSH, Free T4, Prolactin
• Pregnancy test

You can also ask our other certified experts in various fields such as: Nutritionists, Lawyers, IT Experts, Therapists, Mechanics, Doctors, Handymen, and more.
Kind Regards