I'm using the Clearblue Fertility Monitor and i have an average of a 36 day cycle. this is my frist month using it but it gave me a high today on day 10 :-0 i was not expecting that at all. i really thought that i would start getting highs next week. what is the average of high days? is this normal. and the test stick only has one line but yesterday's stick has 2 lines im sooooo confused please help..