Placental Influence on Congenital Heart Development

The placenta is integral to fetal growth, functioning not only as an exchange organ for oxygen, nutrients and waste, but also as an endocrine and immunological interface between the mother and fetus. Placental development proceeds in parallel with cardiovascular formation, sharing key molecular pathways and haemodynamic dependencies. Disruptions in placental vasculature, perfusion or cellular differentiation have been increasingly implicated in the aetiology and heterogeneity of congenital heart disease (CHD). Emerging evidence links maternal conditions such as preeclampsia, immune activation or uteroplacental malperfusion with specific cardiac malformations and adverse neurodevelopmental outcomes. Technological advances in imaging, molecular profiling and mechanistic in vivo models have revealed an organ–heart axis whereby placental dysfunction can directly influence cardiac morphogenesis and long-term function. Understanding placental contributions is essential for early risk stratification, preventive strategies and integrated maternal–fetal clinical care worldwide.

Research from Nature Portfolio

Recent studies have used advanced MRI and single-cell transcriptomics to map placental alterations in CHD-affected pregnancies and define shared molecular pathways with the developing heart. High-resolution diffusion–relaxation MRI has identified microstructural and perfusion anomalies emerging in the late second and third trimesters of CHD pregnancies, suggesting impaired villous maturation and altered feto–placental blood flow. Complementary transcriptomic analyses of first trimester endothelial and trophoblast cell populations have revealed hundreds of genes co-expressed in placental and cardiac lineages, implicating angiogenesis, vasculature development and oxidative metabolism pathways in coordinated organogenesis. Earlier research correlating placental histopathology with neonatal brain imaging further highlights the compounding impact of placental pathology on neurodevelopment in congenital heart disease cohorts.

Placental Influence on Congenital Heart Development publication trend

The graph below shows the total number of articles in placental influence on congenital heart development across all publications each year (not limited to Nature Index journals).

Technical terms

Congenital heart disease (CHD): Structural abnormalities of the heart present at birth affecting cardiac function.

Perfusion: The delivery of blood through the placenta or other tissues, supplying oxygen and nutrients.

Trophoblast: Cell type forming the outer layer of the blastocyst and contributing to placental structure and nutrient exchange.

Villous architecture: The branching tree-like arrangement of chorionic villi in the placenta that mediates maternal–fetal exchange.

Single-cell sequencing: A method to profile gene expression in individual cells, revealing cellular diversity and developmental pathways.

Uteroplacental malperfusion: Abnormal blood flow between the uterus and placenta, often leading to impaired fetal growth and development.

References

1. Placental–Heart Axis: An Evolutionary Perspective. International Journal of Molecular Sciences (2024).
2. Advanced magnetic resonance imaging detects altered placental development in pregnancies affected by congenital heart disease. Scientific Reports (2024).
3. Placental Inflammation Leads to Abnormal Embryonic Heart Development. Circulation (2022).
4. Development of the Human Placenta and Fetal Heart: Synergic or Independent?. Frontiers in Physiology (2018).
5. The Role of Abnormal Placentation in Congenital Heart Disease; Cause, Correlate, or Consequence?. Frontiers in Physiology (2018).
6. Placental Pathology and Neuroimaging Correlates in Neonates with Congenital Heart Disease. Scientific Reports (2019).
7. Placenta morphology and biomarkers in pregnancies with congenital heart disease – A systematic review. Placenta (2021).
8. Evidence for uteroplacental malperfusion in fetuses with major congenital heart defects. PLOS ONE (2020).
9. Analysis of commonly expressed genes between first trimester fetal heart and placenta cell types in the context of congenital heart disease. Scientific Reports (2022).