18dp5dt symptoms low hcg

Ta

Hey girls! Just wondering if I should be having any major symptoms at 18dp5dt? Right now my symptoms are:

Gagging while brushing my teeth and that never happens

Boobs aching every once in awhile not any real pain

Pinching in ovaries which has been happening since my transfer

He back pain at 14dp5dt

Tired

Please help! I go back at 20dp5dt for another blood draw because my levels have been a little lower.