I think every Dr will agree that some spotting is normal in pregnancy, and yes, it really does go by amount I think, more so than colour.
I've been through this 8 times, so I think I've seen the gamut. Pregnancy #1, nothing; ended 12 weeks. Pregnancy #2, started with pink spotting the day period was due. Was there when I wiped, and and a little biton a pad. This went on for 2 days. At 7 weeks, it was sludgy brown; lost this one at 8 weeks. Greg, bright red spotting at 6 weeks, 9 weeks and 11 weeks. Born at 25 weeks, and healthy today. Pregnancy #4, pink spotting at 6 weeks. Everything good on ultrasounds; baby died at 9 weeks or so. Pregnancy #5, pinky/red spotting at 5 weeks and again around 8 weeks. Ultrasounds good; baby died at 13 weeks. Pregnancy #6, pink spotting day period was due, picked up all the way to 4+4, and then turned into full on period. Devon, no spotting at all. Light brown sludge at 5-6 weeks. Only there when I wiped. She was perfect....
So it comes in all different colours, and with all different outcomes. Usually it is a result of implantation, because the blastocyst needs to make a hole in the uterine lining in order to implant. As with any hole made on your body, you will bleed from it. Then, my OB said, as the placenta tries to dig in better, its pretty much shootin this new dagger like blood vessels into the lining of the uterus, which can also cause spotting. A blastocyst can also detach and reattach in the uterus a couple of times before finding a spot it likes, which can lead to multiple implantation holes and therefore, multiple episodes of spotting.
Hope some of this helps you feel a bit better gw76.
Starry, that sucks about the blood work, especially as the test itself only takes a maximum of 45 minutes to perform. The only reason for them not having the results by now is because they are either being lazy, or they figured beta HCG wasn't an important test, so it could wait. They should realize by now that if a beta test comes in, it is important, because in like 95% of pregnancies, Drs don't order these tests. So obviously if one comes in, it is important. Its not like everyone on this thread did a serial beta HCG blood test; its not something that is done on EVERY pregnant woman!
Thankfully, after years of having to go into my lab every month for Day 21 Progesterone testing, they all know me and know my story. So when I get the req for beta HCG, they all get so happy and are willing to bend over backward for me. I don't even have to wait to get my blood drawn anymore. If there are 30 people waiting (usually a 2 hour wait at our lab), I just go to the window and they whisk me right in. Although I am obviously getting preferential treatment, it sucks that it too 8 pregnancies and 2.5 years of monthly blood tests before I got this. I guess I've put in my time so I deserve it now.