Hi,My last period was on the 6August 2012 lasted for 3 days and and had unprotected sex on 28,29,30,31Aug as we are trying for a baby,so my next cycle was suppose to be around 6/7Sep but no sign of them,but instead i've been having abdominal cramps as if my periods are coming and as well i've notice i've this white milky and thick discharge,it doest'nt smell at all.