The term primary dysmenorrhea is identified in base64 scheme by the sequence cHJpbWFyeSBkeXNtZW5vcnJoZWE=, while the MD5 signature is equal to 1ef5fe421517a2963ff52dec54f3cf84. The ASCII encoding of primary dysmenorrhea in hexadecimal notation is 7072696d617279206479736d656e6f7272686561.