Table 2 Red Flags for headache in pregnancy

1.

Headache that peaks in severity in less than five minutes

2.

New headache type versus a worsening of a previous headache

3.

Change in previously stable headache pattern

4.

Headache that changes with posture (e.g. Standing up)

5.

Headache awakening the pregnant

6.

Headache precipitated by physical activity or Valsalva manoeuvre (e.g. Coughing, laughing, straining)

7.

Thrombophilia

8.

Neurological symptoms or signs

9.

Trauma

10.

Fever

11.

Seizures

12.

History of malignancy

13.

History of HIV or active infections

14.

History of pituitary disorders

15.

Elevated blood pressure

16.

Recent travel at risk of infective disease