UQM (arabi behosili), dar tibbi qadim nadoshtani qobiliyati homiladorshavi (zanho) yo homiladorkuni (mardho)-ro meguftand. Dar tibbi muosir uqmro bo istilohhoi ageneaiya (iz lotini a. — nest, genesis 913 — paydoish) va impotensiya (az lotini impotentia — bequvvati) ifoda menamoyand.