HELP!!!

Helen
BFP on Friday with clear blue digital....1-2 weeks which would make it 4w and 3 days since last AF
Last night I saw mild pink on bathroom tissue, this morning it's brighter, more red but not like period flow?  Ran out grabbed two boots own tests and re-tested with very dark and clear Bfps still.  I'm really upset and confused, I have lower light back cramping too but still have my symptoms; 
Boobs hurt 
Queezy still 
Tired still 
Can't stand coffee still!! 
I'm freaking out haven't even seen the dr yet, is there much to be done at this early stage or do I just sit and wait/potentially lose my baby bean? 
 Please help xxx