When Will My Period Start If I Stop Primolut-N?

I am taking primoult n 5 mg twice daily from 31st March 2024 till date if I stop taking the medicine from 8th April then when my periods will come.. And I would also like to know that taking such tablets will have any adverse affect on my health pls advice....even I read somewhere it should not be taken for more than ten days is it true....pls reply thanking you in anticipation