Another way to track your ovulation cycle is with a fertility microscope. A fertility microscope allows women to identify their most fertile days by testing and viewing the visual changes that take place in saliva throughout the monthly cycle. This method is reliable and effective, and can greatly increase your chances of getting pregnant. All this requires is saliva, so it is not invasive and doesn't use needles. So, check out this tutorial for advice and instructions on how to use one of these tools.