Suggest Treatment For Irregular Periods While Having Hypothyroidism

am a girl married 21 years old
i have hypothyroidism disorders
but now am having problem with my periods
i had my periods always coming late like 15 days and also 1 month
but now it has been 3 months but it came for 1 day then it stopped it has happened twice now.
my hypothyroidism is 9.25 now
wat can i do am very depressed