Mom Has Been Pressuring Me to Have A Baby

I am 33 years old and my boyfriend is 27. For the past 2 years my mom has been pressuring me to have a baby...but how in the world do I go and have a baby if we have plans to travel around together first before settling down to make a family? I guess if it happens, it happens....but it isn’t fair that she has to literally pressure me and guilt trip me every day.