We are the nationwide leader in 3d 4d prenatal ultrasound directory services. We can help you find a 3d 4d ultrasound center near to your home in Cupertino. Let us help you locate a 4d baby ultrasound center in Cupertino. Cupertino is a city located in Santa Clara County, California. It was named after Arroyo San José de Cupertino. According to the 2000 census total population was 50,546. It has a total area of 10.9 square miles. Our 3d baby ultrasound centers are spread across the city, we can help you locate a 3d baby ultrasound facility in Cupertino.