Originally Posted by akaisha
well i'm no expert, but if you did O on day 20, then you're only 8 DPO (and have only 6 (or 7 depending on the day with no temp) DPO above the coverline), that could easily be too early for a HPT to pick up a pg, it depends how long your luteal phase usually is. you can tell when AF is due by looking at your old charts to see how long your luteal phase usually is, if it's usually 10 days you should have AF in about 3 days, etc.
in any case, if you DTD on CD 15, and didn't O till CD 20 it's possible that you could be pg (sperm can survive up to 5 days), but not all that likely. it's hard to say without having any info on CM, since they would need five days of fertile CM to live from CD 15 to 20. and since you did use withdrawal, your chances of being pg are less than if you didn't.
Thanks! That's more or less what I was thinking. As far as getting a positive HPT, I tested at 8dpo with DS and got a very faint line. My luteal phase has been super-short since DS was born, so I wouldn't think that would be a good indicator at this point and I don't think my pre-pregnancy LP lengths would be much help at this point either.
But, in any case, when I put in today's temp, FF moved my crosshairs to CD26. That seemed off to me, so I took out the temp from that day, which was probably low because I woke up with no blankets on, and it now shows me Oing CD24, which makes the most sense to me because it's the only day all cycle that I noticed my CM, which was copious amounts of stretchy EW on the tp. So, as I suspected in the back of my brain, not even the faintest chance of a pg and now we are at 5 dpo so we're safe to dtd. Thanks again for the help!