{
  "cutoff": "2026-10-09",
  "note": "Selected publication milestones, not an exhaustive history or discovery priority claim.",
  "milestones": [
    {
      "pmid": "934222",
      "year": "1976",
      "title": "Obesity in young men after famine exposure in utero and early infancy.",
      "doi": "10.1056/NEJM197608122950701",
      "url": "https://pubmed.ncbi.nlm.nih.gov/934222/",
      "interpretation": "1976 Dutch induction natural experiment maps opposite obesity directions by prenatal/infant exposure window."
    },
    {
      "pmid": "1954451",
      "year": "1991",
      "title": "Fetal and infant growth and impaired glucose tolerance at age 64.",
      "doi": "10.1136/bmj.303.6809.1019",
      "url": "https://pubmed.ncbi.nlm.nih.gov/1954451/",
      "interpretation": "1991 recorded birth/infant growth predicts late-adult glucose impairment; exposure causality remains unresolved."
    },
    {
      "pmid": "9402775",
      "year": "1997",
      "title": "Does malnutrition in utero determine diabetes and coronary heart disease in adulthood? Results from the Leningrad siege study, a cross sectional study.",
      "doi": "10.1136/bmj.315.7119.1342",
      "url": "https://pubmed.ncbi.nlm.nih.gov/9402775/",
      "interpretation": "1997 Leningrad null adult glucose/BP/lipid comparisons challenge uniform famine programming."
    },
    {
      "pmid": "11118027",
      "year": "2000",
      "title": "Intrauterine exposure to diabetes conveys risks for type 2 diabetes and obesity: a study of discordant sibships.",
      "doi": "10.2337/diabetes.49.12.2208",
      "url": "https://pubmed.ncbi.nlm.nih.gov/11118027/",
      "interpretation": "2000 maternal-diabetes discordant siblings and paternal controls test a human intrauterine contribution."
    },
    {
      "pmid": "15924982",
      "year": "2005 May 28-Jun 3",
      "title": "Cardiovascular risk factors after antenatal exposure to betamethasone: 30-year follow-up of a randomised controlled trial.",
      "doi": "10.1016/S0140-6736(05)66617-2",
      "url": "https://pubmed.ncbi.nlm.nih.gov/15924982/",
      "interpretation": "2005 randomized antenatal betamethasone thirty-year follow-up separates metabolic markers from clinical nulls."
    },
    {
      "pmid": "24740990",
      "year": "2014",
      "title": "Effect of postnatal maternal protein intake on prenatal programming of hypertension.",
      "doi": "10.1177/1933719114530186",
      "url": "https://pubmed.ncbi.nlm.nih.gov/24740990/",
      "interpretation": "2014 prenatal/postnatal cross-fostering demonstrates adult BP reversibility and distinct nursing effects."
    },
    {
      "pmid": "31043758",
      "year": "2019",
      "title": "Maternal and fetal genetic effects on birth weight and their relevance to cardio-metabolic risk factors.",
      "doi": "10.1038/s41588-019-0403-1",
      "url": "https://pubmed.ncbi.nlm.nih.gov/31043758/",
      "interpretation": "2019 original maternal/fetal genetics separates transmission from an assumed intrauterine BP pathway."
    },
    {
      "pmid": "39358993",
      "year": "2024",
      "title": "Genetic analysis of selection bias in a natural experiment: Investigating in-utero famine effects on elevated body mass index in the Dutch Hunger Winter Families Study.",
      "doi": "10.1093/aje/kwae376",
      "url": "https://pubmed.ncbi.nlm.nih.gov/39358993/",
      "interpretation": "2024 original BMI-polygenic selection analysis narrows one famine-cohort bias mechanism; it does not exclude every selection process."
    },
    {
      "pmid": "38839195",
      "year": "2024",
      "title": "Effects of maternal calcium supplementation on offspring blood pressure and growth in childhood and adolescence in a population with a low-calcium intake: follow-up study of a randomized controlled trial.",
      "doi": "10.1016/j.ajcnut.2024.02.025",
      "url": "https://pubmed.ncbi.nlm.nih.gov/38839195/",
      "interpretation": "2024 calcium-trial follow-up maps female-specific late-adolescent systolic BP effects, with multiplicity limits."
    }
  ],
  "gaps": [
    "Separate measured fetal exposure from birthweight as a mixed genetic and environmental proxy.",
    "Triangulate non-genetic mortality/fertility selection; a null BMI polygenic-index comparison excludes only a measured genetic-selection explanation.",
    "Do not infer nutrition-specific mediation from birthweight MR or cohort hazard ratios.",
    "Identify selective developmental mediators with loss/rescue, including maternal food-intake and stress controls for steroid models.",
    "Adult clinical follow-up must distinguish persistent susceptibility from accelerated deterioration and from childhood biomarkers.",
    "Postnatal rescue and sex/window differences need prespecified replication rather than responder-defined narrowing."
  ],
  "decisive_experiment": "Follow a prospectively defined prenatal exposure intervention or credible policy natural experiment into adult incident disease, with fetal/maternal genotype and sibling/paternal controls, prespecified sex/window contrasts, quantified postnatal nutrition and selection. Pair it with cross-species prenatal mediator loss and selective rescue while matching maternal intake, stress and lactation. Retain all enrolled exposure groups and telemetry/function outcomes rather than selecting responders or counting epigenetic marks as clinical proof."
}