clearblue OPK help please
Hi ladies ![](https://asset-cf-cdn.glowing.com/forum/19fc7e10774a72843528a42adf3f75dd.jpg)
First month using clear blue fertility monitor Thai month and so far I'm on day 10 of high fertility. I had what I thought was a positive OPK on CD 13 and CD 14 and they got lighter but then on CD16 I had a really dark positive OPK but clear blue still says high. I'm on CD18 today and cheapies are really light. from CD13 to CD15 I had sharp cramps and spotting which I though was a really clear indication of me ovulating which has now gone. What do you ladies think? I would have though that clear blue would be more accurate as more expensive but I'm now starting to wonder if it's a complete waste on money
![](https://asset-cf-cdn.glowing.com/forum/19fc7e10774a72843528a42adf3f75dd.jpg)
![](https://asset-cf-cdn.glowing.com/forum/9e5a3c6e080b6a1b93773881f68228b8.jpg)
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