Below is an instruction from Human. Write a response.
    ### Instruction:
    What causes HELLP syndrome ?
    ### Response:
    What causes HELLP syndrome? Doctors are still unclear on what exactly causes HELLP syndrome. Although it is more common in women who have preeclampsia or pregnancy induced hypertension (high blood pressure), there are still a number of women who get it without previously showing signs of preeclampsia.
    