Premenstrual syndrome (PMS) is a collection of physical and emotional symptoms related to a woman's menstrual cycle. These symptoms occurring only during the luteal phase of the menstrual cycle that are of sufficient severity to interfere with some aspects of life of these women, reflecting also in interpersonal relationships, workplace and in their productivity. For these reasons, this research was conducted with the nursing staff of the Samaritan Hospital in order to verify the effectiveness of auricular acupuncture to alleviate some of the symptoms of PMS.

The chinese auriculotherapy is a intervention used by Chinese Traditional Medicine in order to balance the body energy and to treat several kind of diseases using semipermanent needles in specific points of the auricular pavilion.

Inclusion Criteria:

1. Belong to the nursing staff
2. Present at least one behavioral or physical symptom that is self-perceived as related to the symptoms that precede menstruation (irritability, depression, fatigue, headache, breast tenderness, swelling, anxiety, insomnia, crying spells, changes in appetite)
3. Voluntary participation in the study
4. Availability of time for submission to the sessions

Exclusion Criteria:

1. Medical license or vacation during the period of the research.
2. Pregnancy