Maybe a lot of people are looking at your post, but not responding because they don't want to give you false advice, false hope, or doom and gloom.
Everybody is different. Some women spot when their pregnant, some don't. I spotted almost constantly from 11.5 to 14 weeks with little to no cramping, I even passed some nasty looking slimy thing. I thought for sure I was miscarrying, but I didn't.
When in doubt talk to your doc.
Good luck to you!