The invention provides a method for manufacturing a breast prosthesis, which method comprises the determination of existing contours of a breast of an individual in an upright position using magnetic resonance imaging (MRI) and/or 3D scanning with ultrasound (US), laser or photography, the planning of a moulage or virtual moulage using a computer-assisted modeling software, with or without a 3D visualization of a result to be expected, and the manufacturing of a customized breast prosthesis based on said moulage or said virtual moulage. The invention also provides for methods of breast reconstruction and/or augmentation.
