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A study of changes in breast milk lipid components after childbirth

An exploratory study on breast milk lipid components and their longitudinal changes - A substudy on breast milk lipid components within the MiNDS Study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000060976
Enrollment
20
Registered
2026-03-18
Start date
2025-04-03
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy mothers and their children

Interventions

None listed

Sponsors

Meiji Holdings Co., Ltd.
Lead Sponsor
Tokyo University of Agriculture and Technology
Collaborator

Eligibility

Sex/Gender
All

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

MeasureTime frame
Evaluate longitudinal changes in breast milk lipid components between 1 month and 6 months after childbirth.

Secondary

MeasureTime 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

Public ContactYui Funatsu

Meiji Holdings Co., Ltd. Welness Science Labs

yui.funatsu@meiji.com042-632-5846

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026