Figure 3. Longitudinal Headache Data From Baseline Visit for Patients With IIH Categorized by the Timing of Pregnancy in Relationship to IIH Disease Course and LOESS Smoothers Added to Show Trends Across the Categories.

(A) Headache frequency (days per month). (B) Migraine-like headache frequency (days per month). (C) Headache mean severity of predominant headache (0–10 numerical rating scale). (D) HIT-6 (quality of life measure score 36–78). HIT-6 = Headache Impact Test 6; IIH = idiopathic intracranial hypertension.