While there is a ton of anecdotal evidence that HPT's will darken as your your hCG levels rise, the manufacturers of the tests clearly state that the darkness should not be used as an indicator of viability. A line is a line! As Kitten said, pregnancy symptoms really can vary pregnancy to pregnancy and some say that there is a big difference with gender. Honestly with this third pregnancy (I see this your third as well), I really didn't even notice anything different until I stopped being in denial about my chart and took a pregnancy test at 20 DPO. More symptoms started to kick in about a week later.Â
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A dip in temp of 0.3 degrees is really nothing. A steady decline, going below your coverline, well, that is something to worry about. By then you would likely see some red blood, increasing in flow and experience some cramping. Otherwise, spotting is very common in pregnancy. I spotted twice with my first pregnancy- once around 13 DPO and again about 19 DPO. Pink spotting indicates a tiny amount of red blood mixed with some CF, semen, or urine. Had you DTD prior to the spotting? A pregnant cervix is very irritable and can bleed if bumped.Â
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If you're feeling very stressed about this, though, then it's a good time to see a care provider, and just get your blood work done. You could get two beta hCG tests and confirm that your levels are rising nicely. It can be quite comforting. Keep us updated and if you haven't already, you might find some great support in your due date club (you can find them in the I'm Pregnant forum).