The reason I was asking was to determine the day that you can reasonably determine an IVF cycle hasn't been successful through hpt testing.
For instance, if, say the average HCG at 14dpo (whether that be 9dp5dt or 11dp3dt) is 100, then going by the theory HCG doubles every 48 hours or so, then if you get a bfn on a 10mui hpt on 10 or 11 dpo or later, then there's a very, very good chance that the cycle has not been successful.
My first HCG with DS2 was at 20dpo (according to my FS, but according to my OPK was 17Dpo so not sure) was 1347., and progesterone was over 100, where as with DS1 HCG at 16 dpo was around 400, but progesterone was below 60, so diff results each time. Agree you shouldnt reflect on the numbers too much!!
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