Could The Positive Pregnancy Test Be Accurate After Taking Primolut N To Delay My Period?

Hi. I have taken primolut n tablet for 3 days (twice daily) to delay periods.. It s been 5 day s I have stopped the tablets but no periods yet. I tested for pregnancy and it was positive.. Is it a false alarm or am I pregnant? Does this tablet affect the baby? I m having cramps under abdomen.. Please answer