<s>[INST] Hello I took the day afyer pill on the 22 the same day I has sexual intercourse and we didnt use protection be he didnt ejaculate in me later I started feeling nauseous and dizzy allso my breast hurt and had headaches and im bloated I took a pregnancy test and it came out negative on the 30th could I be pregnant oris this all because of the pill? [/INST] Hello dairy understand your concerned have taken the emergency contraceptive pill on the same day of unprotected sexual intercourse. It is highly effective in preventing the pregnancy if taken with in 24 hours. It has 95-97% effective in preventing the pregnancy. Nausea, dizziness, breast tenderness, bloating are due to hormonal imbalance caused by the day after pill. Pill also cause delay in the period by the 8-12 days.Meanwhile, avoid stress, take healthy diet, Chat Doctor. Hope this may help you Best regards </s>