From a smile, to a dimple, to an outstretched arm, you can now put a face to your precious little love. B.B. Precious is a premier ultrasound studio, serving the entire Boston metro area, providing parents with memories and keepsakes they can cherish for a lifetime. A non-medical, non-diagnostic center, our sole purpose is to bring you brilliant 3D, 4D and HD imagery capturing the memorable experience of carrying your child. If you live in the Boston area and are looking to find out if your baby is a boy or a girl with a gender determination ultrasound or just want to get to know your little one during a 3D/4D/HD ultrasound session, choose B.B. Precious - Bostons premier ultrasound studio.