are any of these syptoms valid pregnancy ones?????

so in one of my previous posts i spoke about my situation and asked what were the chances of getting pregnant.

i think i might be pregnant.

it been almost two weeks and these are my symptoms:

-extremly sore and swollen breast, darkened areola(for about a week already)

-slight nausia at night(past three days)

-dizziness and fatigue ( ex: i went to the gym the other day and didnt do anything bc i was too tired)

-constipation lol:/( how embarrasing, i never everr am constipated!)

-i have been craving fruit but i ran out=[ (especially watermelon, and i alwas hated watermelon..apearantly i like it now)

-heightend sense of smell

-mood swings. ive been in so many moods today i caught myself offguard, one min im fine the next im snapping;/

are any of these valid? or maybe its still too early to determineand and its all in my head?