I understand your concern, an i pill taken within 3-4 hours is a highly effective contraceptive method.
However, it is not a hard and fast rule that there will be discharge after taking the pill. At this point, you have to wait for your period, and if you miss it, must do a urine
pregnancy test.
Having said that, could you give me a little more information, like do you have a regular 28 day cycle, if not how is the pattern? Do you have knowledge about ‘the fertile window’?