Marriage before baby

Y’all I am so torn. So me and my bf have been together for almost 3 years. And we’re wanting to get married soon. But we don’t know when... We have been thinking about a baby and trying already, but deep down we want to be married first. He’s scared of the idea of a faster engagement maybe like 3 or 4 months..? But he doesn’t want people to think it’s a shotgun wedding or anything... advice? 😧