August 18th, 2007, 08:11 AM
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Platinum Supermommy
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Join Date: Oct 2005
Location: Central California
Posts: 16,961
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How many days does it take the hcg to build up in your system in order to get a bfp? Yesterday was 7dpo, would y'all estimate that by 10dpo it should be built up enough? Anyone have one of those links to a chart that shows what "normal" hcg levels are at certain times? My tests detect 20 units of hcg.
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