Considered one of the most prominent contemporary Argentine chroniclers and essayists, she has dedicated herself to journalistic work and writings related to women's and feminist themes, in addition to fiction.

In an article for Clarín titled "La chillona alegría de una época" (The Shrill Joy of an Era), she explained, On my identity document it says Cristina Forero, and by then I had already begun to sign María Moreno.

They also don't believe that I use the surname of Colette's best friend, the actress Marguerite Moreno, who was described as a mix of Ximena and El Cid, a unique being.

[7][8] In 1992, Moreno published her first book, the novel El affair Skeffington [es], about a poet in the so-called "Paris-Lesbos" of the 1920s and '30s.

[10] The following decade, she published the essay books A tontas ya locas (2001), El fin del sexo y otras mentiras (2002), Vida de vivos (2005), and Banco a la sombra (2007).

Relatos al pie del 2001, about the December 2001 crisis, and the essay collection Teoría de la noche.

[11] That year she also received a Lola Mora Award [es] for lifetime achievement from the Buenos Aires Legislature.

Leer hasta que la muerte nos separe, a collection of literary essays on authors such as Vladimir Nabokov and Roland Barthes.

[13] In 2015, she co-directed the program La patria a cuadros on Televisión Pública with painter Daniel Santoro [es].