That's not a dip to be concerned about at all. Nor would I say it looks like an implantation dip, implantation dips are usually quite dramatic, dipping well below the CL. Your temps are all still safely well above your CL- it's just normal fluctuations. Always keep in mind that one temp does not make a pattern. So 11 DPO tomorrow... you could test then if you wanted to and likely get accurate results, though some women need to wait until 12-14 DPO. Be sure to use a pink dye, sensitive (hCG level of 25), non +/- kind and FMU for best results.
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If you don't get a BFP this time, I have one suggestion to make based on your BDing pattern... I see that you guys DTD every day when you started to have fertile signs, but your patch of wet and EW was quite long and it looks as though you may have run out of steam by the time you actually ovulated (of course I'm just speculating.. maybe you guys were busy). So, you ended up missing O and O+1. Maybe next time DTD every other day or so when your fertile patch begins, definitely hitting the days when your CP is HSO, and getting another shot or two in after O. This will increase your chances of conception and help prevent making DTD feel like a chore.