This trial is undertaken to better understand the ranges of functional components normally found in human milk. This will strengthen the scientific knowledge on breast-milk composition as a "gold standard".

Inclusion Criteria:

• Gestational age between 37 and not above 42 weeks
• 18 years old ≤ Mother ≤ 40 years old
• 18.5 ≤ pre-pregnancy BMI ≤ 29
• Mothers willing to breastfeed for the first 4 months

Exclusion Criteria:

• Gestational diabetes
• HTA < 140/90
• Mothers who are smokers while breast-feeding

Healthy mothers