Send us Fan Mail Which babies with critical congenital heart disease face the highest risk of brain injury, and does earlier surgery actually help? Why is infant CHD mortality climbing again after years of decline, and who's most affected? Can a mother's cardiovascular status in preeclampsia predict her newborn's circulatory transition? This week's Journal Club brings together five conversations on CHD, maternal-fetal physiology, and vaccine policy. Nim and Adrianne cover a meta-analysis on b...