A French company (Toxseek, France, has developed a scientifically validated screening test based on a capillary determination of pollutants on a 3 cm lock of hair. The results of this screening allow physicians to discuss with their patients the question of environmental health and provide them with personalized behavioral advice in an attempt to eliminate the source of the pollutants identified.The main objective of the study is to assess the effectiveness of behavioral counseling on reducing the level of exposure to metal-type environmental pollutants (MTE) in pregnant women or women planning to have children.

Inclusion Criteria:

• Women over 18 years old
• Patient with desire to conceive
• 1st trimester of pregnancy
• Patient having been informed of the study and not opposing the use of the data collected
• Affiliate or beneficiary of a social security scheme

Exclusion Criteria:

• Women under 18 years old
• 2nd and 3rd trimester of pregnancy
• Patient objecting to the use of the data collected
• Protected patient: adult under tutorship, curatorship or other protection legal, deprived of liberty by judicial or administrative decision

Women, over 18 years old, pregnant (first trimester) or desires conception