Hi, on August 11 th I did intercourse only one time(day) and in month of September got my periods on date 10 th sept but for only 2 days and I did almost four times pregnancy test n I got result negative, and after that I haven't done intercourse till now...just for the confirmation is there any chances to get pregnant? Because I only did intercourse in month August 1 time after that I got my periods for 2 days n did 3-4 times pregnancy test n got negative results...my question is there any chance to pregnant?