16 and having symptoms

Olivia

hiya hunnies, I am 16 and have mental health badly! recently I was going out with a lad and first time I met him we had sex about 3 and a bit weeks ago I have been getting really bad:

mood swings

tiredness

cravings

I was due in my period on the 8th

raised temperature pressure

headaches

painful boobs

if anyone can help me please!! xx