Is this more of a pregnancy thing or no?

We TTC on sept. 18th.

My period is due oct. 5th

I took a test today (4 days before period due) and it was negative.

These are my symptoms:

Subtle random cramping

Large dark veins on breasts

(No soreness or tenderness on breasts)

Sensitive nipples

Very light nosebleeds

Stuffy/dry nose

Very tired

Fatigued

Bloated

Diarrhea

Loss of appetite

Neasous from coffee and before/after I eat

Fairly heightened smell

Ridiculous dreams

Mood changes