After the childbirth, writing group participants has been asked to write for 3 consecutive days, 20 minutes each days, all the deepest emotions and feelings related to the pregnancy.

Expressive Writing (EW), is a simple, potentially inexpensive, therapeutic intervention which involves writing daily for 15-20 min over 3-4 consecutive days. EW can be completed at home without the need for facilitation, a specialist therapist or a dedicated facility.

In order to evaluate the Health-related quality of life, the 12-Item Short Form Health Survey was used. This standardized questionnaire is composed by 12 items selected from SF-36 and produces two summaries, physical (PCS) and mental (MCS) scale (Brazier and Roberts, 2004).

In order to evaluate the levels of anxiety, the Spielberger State-Trait Anxiety Inventory, STAI-Y, (Spielberger, 1983; Spielberger et al., 1970) was used. It is a self-report questionnaire developed to evaluate both state and trait anxiety, respectively a transitory emotional state and a personality trait considered relatively stable.

In order to evaluate the levels of depression, The 13-item short form of Beck Depression Inventory (BDI-II) was used.

In order to test the healthcare spending to all participants were asked (through a specific questionnaire built ad hoc for the specific situation) the number of medical visits, the number of hospitalizations, the number of admissions to emergency room for acute episodes, the number of hospitalizations stay days in the last year. The study hypothesized a lower number of medical visits, hospitalization's days and admissions to emergency room for those mothers who performed the expressive writing task.