I haven't posted on the bump in a long time, but thought someone here might have experience with this. I recently started charting again a couple of days ago, since I thought I was out this month. I've been using digital opks and based on that I should be 21 dpo. I was getting bfns right through 18 dpo randomly tested again yesterday and got a faint bfp. I tested again this morning and got 3 faint (but darker than yesterday) bfps on wandfos and a negative CB digi. It's possible I ovulated later, but based on when we had sex that would still put me at 14-15 dpo. Wouldn't the lines be darker? Wouldn't I have turned the digital positive? Does anyone have experience with this?
Re: Faint positives at 20 dpo?
It's also possible to get a BFP on a wondfo and not get a positive digital until later. Digital tests are not as sensitive as standard tests.
If if you happen to not be pregnant at this time, I suggest introducing yourself on the Trying To Get Pregnant board and posting on their daily WTO/TWW threads. They are geniuses and model citizens, and they will "chart-stalk" for you all day long,
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Started TTC #1 November 2015
BFP 6/10/2016 - EDD 2/22/2017
2) OPKs (as stated as above) only confirm that you are trying to ovulate, but not that you did. I seriously doubt you are 20 dpo and only just getting a BFP now.
3) if you are 14ish dpo, then just getting a BFP makes more sense. Remember, enough HCG is produced (for a BFP) about 3-4 days after implantation, which occurs 7-9 days after ovulation. That is why it's the two week wait. Only 98% of women get a positive pregnancy test prior to their date of expected period (14 days after ovulation ).