We can find a 3d 4d ultrasound center nearest to your location. Our 3d 4d ultrasound listing includes almost all the ultrasound centers of Bernal Heights. Our long list of ultrasound centers help us in bringing to you the nearest 4d ultrasound service provider to your location in Bernal Heights. Bernal Heights Bernal Heights is a neighborhood of San Francisco, California. It is famous for its open parkland and microwave tower on its large rocky hill, Bernal Heights Summit.