Severe Fear of Childbirth: Its Features, Assesment, Prevalence, Determinants, Consequences and Possible Treatments Klabbers G. A., Heuvel M. M. A. van den, Bakel H. J. A van, Vingerhoets A. J. J. M. SEVERE FEAR OF CHILDBIRTH: ITS FEATURES, ASSESMENT, PREVALENCE, DETERMINANTS, CONSEQUENCES AND POSSIBLE TREATMENTS