Is sexual intercourse by the pledgor (Rahin) with a mortgaged female slave permissible?

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Sexual intercourse by the pledgor with the mortgaged female slave is impermissible according to the majority of scholars. The consensus among scholars, as reported by Ibn al-Mundhir, is that the pledgee (Murtahin) has the right to prevent the pledgor from such an act. The justification is that this prohibition applies universally to all women whose intercourse is forbidden, such as those in the waiting period ('Iddah), those undergoing purification (Mustabra'ah), or unrelated women. Furthermore, because pregnancy is unpredictable and cannot be entirely excluded, intercourse is forbidden entirely, analogous to how wine is forbidden absolutely due to the potential for intoxication.