Why do moms insist on telling everyone when their daughter has her first period?

I do not have a daughter but I remember when I had my first period ever as a teenager and my mom told everyone in our family. I felt so embarrassed and thought it was completely unnecessary to tell everyone details of my personal life to others. I don't think I would do such thing to my daughter when I have one. Later in life I realized that most moms if not all did the same to my girlfriends. Do you agree with this or not?

Why do moms insist on telling everyone when their daughter has her first period?
Post Opinion