CRP and hydrops fetalis: Compared to HF 0-1, the HF ≥ 2 group was older (64.0 vs. 60.5 years, <i>p</i> = 0.042) and exhibited substantially higher systemic inflammation (CRP 41.5 vs. 9.75 mg/L, <i>p</i> < 0.001; fibrinogen 435 vs. 346 mg/dL, <i>p</i> = 0.0002; ESR 28 vs. 18 mm/h, <i>p</i> = 0.0004).