Works in both the NEW advanced Monitor and the OLD monitor.
Each box of Clearblue Fertility Monitor sticks has 20 Fertility Test Sticks and 4 Pregnancy Test Sticks.
For more information about the Advanced Clearblue Monitor please click here.
Advanced Clearblue Pregnancy Tests
PLEASE NOTE: The 4 advanced pregnancy tests included in with this pack do not work in the old fertility monitor. Inserting these test sticks into the monitor could cause the monitor to break.
For Fertility Test Stick instructions click here.