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Development of Human Microbiota01:30

Development of Human Microbiota

The human microbiota begins developing at birth and undergoes continual change as we age. Infancy marks a critical period of microbial sensitivity, offering a “window of opportunity” during which beneficial microbes help mature the immune system. By age three, children typically develop a more stable and diverse microbial community. Newborns acquire microbes from their immediate environment; vaginal delivery favors maternal vaginal microbes, while cesarean births favor microbes from the skin...
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Longitudinal Research

Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
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Updated: Jun 22, 2026

A Common Marmoset Model of Mother-Infant Intervention for Breastfeeding Disorders in the Presence of Paternal Inhibition and Maternal Neglect
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Variables associated with breastfeeding duration.

Diane Thulier1, Judith Mercer

  • 1University of Rhode Island, College of Nursing, 2 Heathman Road, White Hall, Kingston, RI 02881, USA. thuliers@cox.net

Journal of Obstetric, Gynecologic, and Neonatal Nursing : JOGNN
|June 23, 2009
PubMed
Summary
This summary is machine-generated.

Breastfeeding duration is influenced by numerous factors, including demographic, biological, social, and psychological elements. Understanding these variables is key to supporting longer breastfeeding journeys.

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Area of Science:

  • Human Lactation Research
  • Maternal and Child Health

Background:

  • Breastfeeding is a critical component of infant and maternal health.
  • Understanding factors influencing breastfeeding duration is essential for public health initiatives.

Purpose of the Study:

  • To comprehensively identify variables impacting breastfeeding duration.
  • To synthesize existing research on breastfeeding duration determinants.

Main Methods:

  • Systematic review of literature from 1998-2008.
  • Inclusion of meta-analyses, systematic reviews, and quantitative/qualitative studies.
  • Searches across CINAHL, PubMed, and Cochrane databases.

Main Results:

  • Demographic factors: race, age, marital status, education, socioeconomic status, WIC enrollment.
  • Biological factors: milk supply, infant health, maternal obesity, physical challenges, smoking, parity, delivery method.
  • Social factors: paid work, family/professional support.
  • Psychological factors: maternal intention, interest, confidence.

Conclusions:

  • Human lactation is a complex process.
  • Breastfeeding duration is multifactorial, influenced by demographic, biological, social, and psychological variables.
  • Further research can inform interventions to support breastfeeding mothers.