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2018 年 12 月 18 日
First Time using
This is my first time using these and so far I like them. I would suggest reading the instructions to a "T" before you use them. I am not sure of my "avg cycle" length so I went off of my last cycle (which was 34 days) the first day trying it I got the O and for the last 3 days I have had flashing smileys. I did read some LH surges are so low they are not detected so people may experience over 4+ days of flashing smileys. If you hit 9 days of those stol testing that cycle and wait for the next. I will wait and see what happens these next few days and will go from there. Overall very easy to use and simple to understand.