Thyroid disease

Outcomes in Maternal Graves' Disease: A Population-Based Mother–Infant Dyad Cohort Study

ThyroidPublished Population-based mother–infant dyad cohort study

Authors' conclusion

Neonatal thyroid function levels were affected by maternal Graves' disease only when the disease was active during gestation. Moreover, maternal Graves' disease was also associated with an increased risk of adverse outcomes for the mother-infant dyad.

Study context

Population
Mother–term infant dyads born 2011–2021, Israeli thyroid newborn screening (NBS) linked with a tertiary medical center
Participants
103,899 mother-infant dyads
Exposure
Mothers with past or active GD vs mothers without GD
  • GDn = 292
Outcome
NBS total thyroxine (tT4) levels
Methodological detailslinked national NBS and tertiary medical center electronic records, MDClone big data platform
  • Linked national NBS and tertiary medical center electronic records
  • MDClone big data platform

Main finding

As reported in the abstract

NBS total thyroxine (tT4) in infants of mothers with active GD higher than in the general Israeli population
p < 0.001

Observational data: associations, not effects.

Further findings

OutcomeOR (CI)P value
Assisted reproductive technology useGDvs No GD1.46 (1.03–2.07)P = 0.031
Gestational hypertensionGDvs No GD3.53 (1.92–6.47)P < 0.001
ProteinuriaGDvs No GD3.03 (1.43–6.45)P = 0.004
Cesarean sectionGDvs No GD1.46 (1.13–1.90)P = 0.004
Prelabor rupture of membranesGDvs No GD4.3 (3.13–5.91)P < 0.001
Placental abnormalitiesGDvs No GD2.64 (1.57–4.44)P < 0.001
OutcomeP value
Assisted reproductive technology useGD vs No GD · more frequent with GDP = 0.012
Gestational hypertensionGD vs No GD · more with GDP < 0.001
ProteinuriaGD vs No GD · more with GDP < 0.001
Cesarean sectionGD vs No GD · more with GDP = 0.029
Prelabor rupture of membranesGD vs No GD · more with GDP < 0.001
Placental abnormalitiesGD vs No GD · more with GDP < 0.001
Infant adjusted birthweight z-scoreLower in infants of mothers with GDP = 0.007
Infant small for gestational ageMore likely in infants of mothers with GDP = 0.005

Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.

Original publication

Outcomes in Maternal Graves' Disease: A Population-Based Mother–Infant Dyad Cohort Study. Thyroid. Published 18 December 2023. doi:10.1089/thy.2023.0291

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