Well, I'll say it's all up to you if you can stand the tides and times of till death do you part and shoulder the future as one.
Marriage is sweet but getting a baby before being wedded will take a lot as your parents consent is something of perfection prayer needed for the joining. Be careful of baby before wedding as anything can happen in between.
Marriage is not about age but understanding, love, maturity, finance, and a willing heart committed heart of working together n oneness.