Can Primolut N Delay A Pregnancy Test Result, And When Should I Expect My Period Or Retest?

Hello I hope this message finds you well. I wanted to ask you something, I have usually delayed period sometimes for 3 months sometimes for 5 and my doctor gave me primolut n. I took them for 5 days (2 times a day) and now it has been a 5th day that i finished my tablets but i havent got my period yet. i took also a pregnancy Test it shows me negative can it be negativ because of taking Primolut N when should I retry my test or expect my period?