28 year old pregnant by 18 year old

So my bf is 18 and I’m 28 , we’ve been together for 2 months. I recently found out I’m expecting. I’m just worried to announce or anything. I’m actually really scared of the reaction we will get. We have a really good connection and he’s excited for this to happen. The thing is I’ll be 29 next month and he doesn’t turn 19 until November. So for majority of the pregnancy I’ll be 29 and he will be 18. So you see my unease in letting this information out. We’re both equally not ashamed of the relationship but I don’t want outside forces taking away our excitement to be parents. Especially since this is his first and my 4th but I haven’t had a baby in 4 years. So anyway yea, should I just not announce at all and just keep this all to myself … I don’t wanna be sad about it and even though it’s perfectly legal I’m not sure I can take the backlash I might receive.

So not a troll post. My kids are 7,6 and 4. I didn’t wait till he was 18. I met him in December through a dating app. We talked online for about 2 weeks and started meeting up in person. It all went from there. Also he is 18 and if he was dealing w someone else then it would also be his responsibility to use protection. These 18 year olds are smarter than you think. They know what they’re doing and we had talked about starting a family together that’s why he’s so excited.