Smart Planes CNS is a user-friendly tool that greatly increase scanning accuracy coupled with fully automated operation, leading to an accurate diagnosis, improved through-put, and reduced user dependency. With a simple button-click on a 3D fetal brain volume image, the standard CNS scanning planes (MSP, TCP, TTP and TVP) and a range of related anatomical measurements (BPD, HC, OFD, TCD, CM and LVW) are obtained immediately with high accuracy.