Giovanna Antonelli interviewed real life prostitutes in preparation for her role as one in this series. Manoel Carlos created the character based on an article concerning the huge amount of prostitutes in both São Paulo and Rio de Janeiro universities.
Vera Fischer was allowed a brief break of two weeks from filming, claiming she was too stressed with her filming schedule.
Due to "scenes of sexual connotation and intense urban violence", the Brazilian Ministry of Justice ordered Rede Globo to exclude every underage actor from this cast, including extras, and the series itself to move for after the 9pm schedule. Creator Manoel Carlos's own daughter Júlia Almeida was the only underage cast member legally allowed to appear.
Deborah Secco was assaulted at a supermarket by a woman with her purse, who claimed she hated her character Íris.
Manoel Carlos was inspired by a news report he read in 1990, about an American woman who got pregnant to save her leukemic daughter.