Does a Diet With the Recommended Amount of Polyunsaturated Fatty Acids, Increase Their Proportion in Maternal Milk?

participants will benefit of dietary device 30-minute dietary advice carried out by a doctor at the University Hospital of Rennes, in order to provide nutritional advice adapted to pregnant women.

consumption of Bleu-Blanc-Cœur products from the 29th week of amenorrhea to the 45th postpartum day

no consumption of Bleu-Blanc-Cœur products from the 29th week of amenorrhea to the 45th postpartum day. This group will receive Système U vouchers.

the fatty acid profile of the women red blood cells of the woman wil be test at the inclusion and at 21 days post-partum

Participants of the group A will be contacted by phone,sms, mail by a technician every 15 days from 7th month of pregnancy to the 8th month of pregnancy and then every week from the 9th month of pregnancy to the 45th postpartum day (except the week of childbirth), in order to collect their consumption data of the delivered food products.

Participants will have to complete a food questionnaire at the inclusion and at 21 days post-partum

Newborn faeces sample will be collected at 21 Days post partum

Breast milk sample will be collected at 21 days and 45 days post partum