Healthy mothers and their children
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Mother-infant pairs who were participants in the primary study (UMIN000050032) 2. Mother-infant pairs who delivered between 37 weeks 0 days and 41 weeks 6 days of gestation 3. Mother-infant pairs in which the infant's birth weight was 2500 g or greater 4. Mother-infant pairs who provided breast milk samples at both 1 month postpartum (30 +/- 14 days) and 6 months postpartum (180-239 days) 5. Mother-infant pairs who were practicing mixed feeding at both 1 and 6 months postpartum 6. Mother-infant pairs in which the mother's BMI was at least 18.5 and less than 25 before pregnancy and at both 1 and 6 months postpartum, at the time of breast milk collection 7. Mother-infant pairs in which the mother answered "No" to the question "Have you been diagnosed with an infectious disease as defined in Article 6 of the Act on the Prevention of Infectious Diseases and Medical Care for Patients with Infectious Diseases?" at the time of breast milk collection
Exclusion criteria
Exclusion criteria: 1. Mother-infant pairs who expressed their intention to withdraw from participation after the public disclosure of information regarding the conduct of this study 2. Mother-infant pairs with missing data for one or more of the variables collected in this study 3. Mother-infant pairs in which the mother had a history of atopy or allergy 4. Mother-infant pairs in which the mother had mastitis at the time of breast milk collection 5. Mother-infant pairs in which the mother had nipple bleeding at the time of breast milk collection 6. Mother-infant pairs in which the mother had a smoking habit 7. Mother-infant pairs in which the interval between the date of breast milk collection and the response date for the BDHQ questionnaire (body weight entry) exceeded 2 weeks at either or both of the 1 month and 6 month postpartum assessments
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Evaluate longitudinal changes in breast milk lipid components between 1 month and 6 months after childbirth. | — |
Secondary
| Measure | Time frame |
|---|---|
| Explore the effects of seasonal variation on lipid components in breast milk by two-way analysis of variance with monthly variation and seasonal variation as factors. | — |
Countries
Japan
Contacts
Meiji Holdings Co., Ltd. Welness Science Labs