Since you have used emergency contraception
twice during the same cycle, your hormonal
status has been disrupted and thus, your normal period has been delayed. Yet, you should exclude/confirm pregnancy
as you are way past your cycle and see a specialist for further help. You should get a trans-vaginal sonogram and an estimation of the serum beta-hCG
titres. If pregnancy is excluded, which is more likely, you would need regular hormone kick-back to induce a period. Please do not use emergency pills as a regular means; they are meant to be used only once or twice in a year. Hope this helps.