Quoting ||eri||™:" If you are talking about the Clearblue Fertility Monitor, then yes, you purchase new sticks when you run out."
Quoting ♥TwinsRock25♥:" OT but congrats on your twins ;)"
Quoting ||eri||™:" Or were you talking about this? http://www.walmart.com/ip/Clearblue-One-Month-Supply-Digital-Ovulation-Kit-2-pc/21644837"
Quoting Gwen Stanislowski:" Yep that one! I see that it has 20 tests and you can switch them out but I wasn't sure if you could keep the same holder and just buy more sticks next month or how it works."