In France, the last national perinatal survey show that 6.6% of live births are premature. For these infants, transfer in Neonatology sector may result in mother-child separation can last several weeks or months. This hospital can complicate the implementation of the attachment process that allows parents to recognize their children as their own, to gain confidence in their abilities to deal with them and establish a relationship with him.

A study of mothers of premature shows the interest of the Brazelton scale to help them identify the skills their child and adjust their own behavior.

Inclusion Criteria:

• Mother: over the age of 18, affiliated to a health social security.
• Newborn: born to a term of less than 36 S.A., hospitalized in neonatology, said leaving in three days.

Exclusion Criteria:

Mother :

• Legally protected
• Inability to understanding and monitoring of the protocol's terms (not master the French language, intellectual impairment, psychotic disorder ...)
• Who have had a premature child born.

New born :

• Opposition of one of the holders of parental authority to the award of the Brazelton Scale
• Having withdrawal syndromes or malformation syndromes requiring oxygen therapy, gastrostomy or nasogastric tube
• Twins and more.

Mother-child dyads whose infants were born before 36 S.A.