Unwanted 72 is an emergency contraceptve pill which works within 72 hour. After that it is not possible to prevent pregnancy
by using any emergency contraceptive pill
. You can use Cu-T insertion method within 5 days. Any way if you already taken that medicine no need of that. Failure rate of emergency ontraceptive is 0.1% only. And side effects also very less and may absent in most cases.(may be like your case)
Coming to your second question you need not to pay money in public forum. You have to pay in premium section, where you will get inswer very quickly, can follow up with 2/more question, aso can chat online with a doctor. You may also attach your scanned medical report in premium section.
In public forum you will get answer but there is no certain time limit.