Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Non-classic congenital adrenal hyperplasia due to 21-hydroxylase deficiency ?
    ### Response:
    Non-classic congenital adrenal hyperplasia due to 21-hydroxylase deficiency (NCAH) is a milder and later onset form of a genetic condition known as congenital adrenal hyperplasia. Some people affected by the condition have no associated signs and symptoms while others experience symptoms of androgen (male hormone) excess.
    