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these things are genius and I dont know why more people don't knpw abt them and use them! I didn't know but I was already prg when i got mine 3 years ago. Did you know they can also be used as a pregnancy test? the same ferning happens when your pregnant. (prg produces more estrogen)

Hi
I use these tests and they are ok but very tempremental, If you use too much saliva it wont work and too little it wont work, but when you find the right amount they work just fine, they allways coinside with my OPKs and it works out to be a cheep reliable way of testing for O, first thing in the morning is best because you cant have drunk anything or eaten or brushed your teeth for 3hrs before you test, the best thing about them is you can forget about them for hrs and still get a true test instead of worrying "is this an evap?".
I have a pic in my pics of full ferning for this month, but im not sure if i O'd my BBT is all wacky.
Hope that helps!