This patient support community is for discussions relating to thyroid issues, goiter, Graves disease, Hashimoto's Thyroiditis, Human Growth Hormone (HGH), hyperthyroid, hypothyroid, metabolism, pituitary gland, cancers, thyroiditis, and thyroid Stimulating Hormone (TSH).
Do you have a thyroid issue? You asked this question on a Thyroid Disorders Forum. Being Hyperthyroid can also stop you having periods.
Missing periods is unlikely to be anything too bad.
I think you should see your Doctor they can put your mind at ease and rule out anything