I'm 15w3d and I've had some incidents of spotting.

First time was after some constipation. I wiped and had 3 small dots of bright red blood. Nothing after that. This was about a month ago now.

Twice after having sex I also saw small speckles of red blood. It also amounted to nothing.

Today after again going to the bathroom I have some bright red spots. I think it's more than before, but still a very very tiny amount. It has also gone away.

All these incidents were at least days apart. After the first two incidents I heard the heartbeat for the first time (at 14w6d) and everything was normal.

Should I be concerned about this?