Please be reassured that experiencing dark or black spotting after taking an emergency contraceptive like the i-pill (levonorgestrel) is quite common. The hormone in the pill can alter your normal cycle. This dark spotting is usually just older blood that has taken longer to shed from your uterus. It is generally harmless and should resolve on its own. However, if you experience severe pain, or if your regular period is delayed by more than a week, it is always a good idea to take a pregnancy test or consult a doctor just to be safe.