I had my periods on 19th Oct.. the moment I saw the spot I took primolut N.. my periods didn't stop but da flow was very very very less.. on 23rd I stopped da primolut.. after two days my periods started and lasted till 27th.. on 7th Nov I had unprotected sex.. soon after sex I took ecp pill.. usually bleeding starts four five days after ecp pill but I had no bleeding.I don't know when to expect my periods near 18th or 23rd ov Nov.. is ghr any chance I might get pregnant