I need advice!!

So I’m kinda terrified, I just a few days found out that I am pregnant with my first child. I noticed I was super late on my period and I was gaining a bit of weight and my boobs were growing and I just had this feeling and knew I should take a few tests. All of them came back positive within them that 3-4 minutes and I am scared but excited at the same time. I am only 17 and I don’t know what to do I know I will visit plan parenthood, but idk how to tell my parents and how to approach this at all... my boyfriend is also going to bootcamp soon for the marines and I’ll mostly be dealing with this alone without him and he’s very happy as well as I. I need advice on how to deal with this..