Selection criteria :
1. Patient with non-metastatic breast cancer ;
2. Age of patient between 18 and 40 years at histological diagnosis ;
3. Patient treated with neoadjuvant or adjuvant chemotherapy with or without radiotherapy or endocrine therapy ;
4. Patient who have completed their chemotherapy and/or radiotherapy treatment for at least 3 months at the time of questionnaire dispatch ;
5. Patient informed of the study (patient must have received the informed consent document and doesn't opposed to it) and who answered to the specific questionnaire of the study ;
Main objective :
=\> Describe the impact of diagnosis and the breast cancer care on fertility in patients younger than 40 years.
Secondary objectives :
* Describe the patient population (age, type of histological grade, treatments).
* Describe the recovery of menstrual cycle after chemotherapy (occurrence of menstrual cycles and regularity).
* Describe fertility after treatment.
* Describe the sexual impact (adverse events related to diagnosis and therapeutic care) through an optional part of questionnaire.
* Describe the impact of breast cancer diagnosis on the couple's life.
* Describe the impact on body image (body image satisfaction, breast reconstruction).
