Feeling Not Pregnant :/

Bobbi • 19 & A First Time Mommy ❤👣
Earlier in my pregnancy I've had tender breast & when I wake up & don't eat right away I get nauses really bad, I am now 14 weeks & 1 Day & all my symptoms just stopped all of a sudden around 11 weeks, heard the heartbeat and had a ultrasound. Is this normal? FTM. Just worried. This is my rainbow baby.