1. A line is a line. It doesn't matter how dark. The darker the line means that they took the test at a time of day they had more hormone in their urine. Like first pee of the day.2. Please don't take any fertility meds without discussing with your dr. There are so many counterfeit products on Amazon these days. 3. If you are still having symptoms talk to your dr. My friend mc, but her body didn't fully respond and "clear out". She had to do a DNC because she looked and felt pregnant, but nothing was there.