Which monitoring parameter is most important for early detection of progression from preeclampsia to severe disease requiring urgent delivery?

Monthly maternal height measurements since changes in stature predict progression to eclampsia.

Trends of blood pressure, new or worsening proteinuria, and signs of end-organ dysfunction such as rising liver enzymes, low platelets, or worsening renal function.

Reliance solely on fetal movement counts without maternal clinical assessment, because maternal disease does not progress without fetal symptoms.

Only home urine color observation is required because a darker urine always precedes organ failure.