Not all bleeding during pregnancy signifies a miscarriage. Some bleeding early on can be due to implantation, or breakthrough bleeding when hormone levels are not yet high enough to completely suppress your period. Your doctor is the best person to ask if your bleeding is cause for concern. Often it can be difficult to determine for yourself what is cause for concern.
Cathy
I'm the same 7 wks an 5 days first time mom and I've had two prior miscarriages... I'm scared to death mine has lasted a week... they have put me on bedrest for a week and just to monitor it. The rule is put on a pad and if in an hour you've started bleeding through it then you should head to the er... but don't jump to go... I've been three times this past week and so far everythings fine... some women even have periods when they are pregnant.... every woman is different and so is every pregnancy you just can't let it stress you out :)