Organizers packed a record number of free contraceptives into dispensers around venues to satisfy the Olympians' notorious sex drives but even that stockpile has started to run out.
"70,000 have gone. Some dispensers were filled daily," the Daily Star quoted an Olympic Village worker as saying.
"The Games have been such a success maybe they got carried away.
"It seems performances on and off the field have been exhausting," the worker added.