Perbedaan USG 2D ,3D ,4D dan 5D. Mana yang Lebih Baik?

beda usg 2d dan 4dThen what is the difference with a 4D ultrasound. The difference with a 4D ultrasound, this 4D ultasound is a real time ultrasound so it has aThen what is the difference with a 4D ultrasound. The difference with a 4D ultrasound, this 4D ultasound is a real time ultrasound so it has a