1. Persistent or sever vomiting
2. Persistent or sever headache
3. Repeated dizziness
4. Blurred vision or other visual disturbances
5. Swelling of the face, especially under the eye
6. Swelling of the feet, ankles, or limbs
7. Sharp pain in the upper part of the abdomen
8. Stopping of foetal movement for a week or more
9. Bleeding from the vagina
10. Abdominal cramps together with pain in the lower back
11. Mental depression and change in disposition
In case any other above signs appear a doctor should be consulted without delay.