Need advice

Zena • Hi I`m zena I`m 22 and I had my first amazing baby boy Oliver on the 9th of October 2017 ❤️❤️

Hi I was wondering as someone has said to me on a group I am on that she only has a ultrasound 2 times while she is pregnant but I'm having 1 every month I'm from Tasmania is it normal that I have 1 every month? Because she said they usually do it every month when it's high risk