17 weeks and pure anxiety

I'm 17 weeks +2 and we just announced our pregnancy last Thursday. My first pregnancy ended as an early MMC so we really wanted to wait this time around.

Ever since we announced I because a nervous wreck and cannot stop thinking "Maybe I shouldn't have done that."

We just heard the heartbeat last Friday at 16 weeks in the nose, heartbeat was 150 and magic to hear. I've had my genetic testing and prenatal labs and everything is totally normal, nothing came back needing further testing or concerning.So I don't understand why I just flipped a switch like this. I don't want this anxiety or to feel this way. I'm not really showing or anything yet, I just look like I've packed a few pounds on but I've lost 10 in the first trimester. But I was bigger to begin with 5'6 about 200 lbs. I just want my big pregnant belly and to stop worrying.

I know we're going to be okay and we will welcome our beautiful baby boy in May, I just need to get past this freak out. 😫