Hello.
This is my first month using Ovulation strips to detect the LH surge for two reasons, so see my levels and for when I ovulate to know when it is useful to try conceive a baby.
I started on day 4 of my cycle and will continue till the end to track the levels.
So my cycle is 26-28 days long and it says to start on day 11, which is today. The lines have been changing day by day and today's was the lightest by far, is this normal for the lines to be darker some days then others, none have yet been a positive or anywhere near, just some darker and lighter I have included a pic for observation :)