Teenage Baby Fever ..

i just got into a relationship 5months ago , but i been knew him 3years before we stop playing made stuff official , he’s very nice a gentleman , and very respectful i love everything about him !! , but like 4 months in our relationship i just got this feelings like i wanted a baby , idk if it was just for the moment or if i still feel that way , cause i still catch myself talking about babies and our future or wtv … it’s more to the story , i just need advice about the baby fever thing , dm for more details plsss , if your willing to help !.