Figure 4. Gestational age estimation by the refined RPC and the RPC. (A) Scatter plot between observed GA and DNAm-predicted GA (by the refined RPC) – all samples from the RPC’s test data (n=187). (B) Scatter plot between observed GA and DNAm-predicted GA (by the refined RPC) - uncomplicated term samples from the RPC’s test data (n=69). (C) Scatter plot between observed GA and DNAm-predicted GA (by the RPC) - uncomplicated term samples from the RPC’s test data (n=69).