The term prenatal diagnosis is identified in base64 scheme by the sequence cHJlbmF0YWwgZGlhZ25vc2lz, while the MD5 signature is equal to 5aad4d287f3a4c5c69f432a706b9ba59. The ASCII encoding of prenatal diagnosis in hexadecimal notation is 7072656e6174616c20646961676e6f736973.