Can Fetal Head And Brain Measurements That Appear Abnormal At 26 Weeks Become Normal With Time Or Diet?

Hello,at 26th week scan it shows BPD 5.85cm,HC 24.92cm,AC 23.58cm,FL 4.84cm,doctor referred for another detailed anomaly scan after 2 weeks and after this scan doctor said they need to assess complete brain and head for any anomalies,which they were unable to find two times,tomorrow again they called me to findout fetal head and brain,is this condition can become normal by good diet or any other factors? Plz help