This study employs a robust spatiotemporal Gaussian process regression model to analyze antenatal care trends, drawing on a large dataset of 643 surveys across 131 LMICs. The methodology is statistically rigorous, though the reliance on self-reported survey data introduces potential recall bias. The authors acknowledge this limitation, which is a common challenge in population-based health research. A peer reviewer might flag the exclusion of stillbirths from coverage metrics as a critical gap, ...