During the opening credits sequence, the letters of the film's title can be seen floating around the preserved fetuses. Eventually, the letters come together to form the title.
For my parents
El 11 de agosto de 2000, durante el rodaje de esta película, nació Luna, hija de Toni y Elisabeth y niña de todos (On the 11th of August, 2002, while this movie was being filmed, Luna was born, a daughter for Toni and Elisabeth, and a child for all of us).