I’m 22 and pregnant again!!!

So i have a two year old boy who’s turning 3 this December ...and i just found I’m pregnant with my second child but with my current boyfriend who I’ve only been together with for 10 months he’s 27 yrs old tho ...and he’s very supportive on making me make my own choice but idk what to do i think any baby is a blessing but in scare and i don’t want to have multiple baby fathers and scare that later in the future we might not work out ...i need some advice plss