The term obstetrical delivery is identified in base64 scheme by the sequence b2JzdGV0cmljYWwgZGVsaXZlcnk=, while the MD5 signature is equal to 96e79d3f83f6689738cc6de86e4afd55. The ASCII encoding of obstetrical delivery in hexadecimal notation is 6f6273746574726963616c2064656c6976657279.