When to tell family

Well I am pregnant for a third time with hopefully my second sticky bean. My first pregnancy ended in miscarriage and my second pregnancy ended with a beautiful baby girl 18 months ago. I am 3 weeks 5 days along and this is around the time we told our families with my daughter because we waited until 8 weeks with our miscarriage to tell everyone only to miscarry the next week. When I would be about 10 weeks along we will be going to a family baseball game and I am wondering if maybe that will be the time to tell everyone. I probably won’t be able to hide it much longer and it’ll be hard to keep a secret that long. I don’t really think my family has any idea because we have been very discreet especially because we do fertility treatment to get pregnant. I just don’t know how long I can keep this secret 😬