Fig. 2From: Adherence to drug therapy for hypertensive disorders of pregnancy: a cross-sectional surveyUnderuse rates for antihypertensive drugs, MgSO4, and corticosteroids. Qi-j (i = 2, 4 or 6; j = 1,2,3 or 4) is the code for detailed items of dosage of drugs. The red, grey and blue rectangles represent the underuse rates for antihypertensive drugs, MgSO4 and corticosteroids, respectivelyBack to article page