Are any of these OPK's positive? Help!

I am currently on CD15. My cervix is high (so high i cant even reach it) and I have been having ovulation symptoms (nausea, sore back and cramping) although I haven't had any EWCM which I usually get a ton of - even on the LE diet - It is currently clear and wet. I took my last vitex yesterday (I have been it on for 7 weeks continuously). My DH and I have been BDing every 4 days, the last one being last night. I'm sure I'm about to ovulate (or already may be), but am unsure if any of these OPKs are positive?

The top two were taken on Monday and the bottom one taken this morning (Tuesday's were clearly negative and this afternoon is also clearly negative).

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no positives yet :)

Not positive, but probably very close! For me, tests like the strongest of your lines, has turned positive within a few hours.

Your middle picture bottom test is about as strong as they get for me... I would have probably called that one positive.

The middle one looks positive to me..

That brand is awful...I had only the faintest line on those when I got my almost-positives on other brands. I don't trust those at all! So I would consider all of those with lines almost as dark as the control positive.

The middle one looks positive. For me it would be a positive for sure.

None of those look positive to me. Personally, a few years I was doing OPKs and got only one + in like 10 cycles. I gave up on them (but coincidentally got pg with my DS the same month). My RE says some people have really short surges. Test twice a day, once at 2:00 pm and once 8:00 - 10:00 pm. Hold your wee for 4 hours, and no liquids for the last 2. I finally got +s after that advice. GL!

yup what anchor said. First test at 2 second around 8 pm and hold it for 4 hours and no drinks for 2, it really works. I got in the habit of testing after working out, that worked super well because I would sweat everything out and test before I had anything to drink.

Thanks for your replies. I took one at 10am this morning.. looks like its getting close!

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thanks everyone who chimed in to answer this! sorry I missed it