a slightly increasing trendp < 0.001
ow–stable depression and low–stable anxiety group” (I dep = 1.293, p < 0.001, I anx = 1.744, p < 0.001, S dep = 0.029, p = 0.344, S anx = −0.135, p = 0.03); class 3 included 26% of pregnant women (n = 275) with moderate initial levels of depression and anxiety, and a decreasing trend in anxiety and a slightly increasing trend in depression, named “moderate–slightly increasing depression and moderate–decreasing anxiety group” (I dep = 6.925, p < 0.001, I anx = 5.804, p < 0.001, S dep = 0.144, p = 0.375, S anx = −0.769, p < 0.001).