Feeling overwhelmed !

This is my first pregnancy and I just had a small break down because I felt like I couldn’t do this anymore ( im 20 weeks ) I started to feel scared and like im going to fail. I feel guilty for feeling too young ( I’m 22) for feeling like my life is over, when I know it’s just the beginning. I feel horrible for feeling this way. This is also the first time i have felt this way during my pregnancy.