We had protected intercourse on july 3rd 2023 and I took unwanted 72 after 4 hr of protected intercourse and I got withdrawal bleeding on july 11th i.e 8 days after taking tablet. And my previous month period was on june 13th 2023.in august month I still didn't got my periods, should I feel safe with these dates? When can I expect my next period and also I had been visiting doctor for irregular periods occasionally.