Absent from the legislation are specifics as to how the law should be applied depending on how far along a woman is in her pregnancy, as well as the definition of terminally ill versus brain dead.[9] This Texas law does not specifically detail a hospital's obligation in the case when a pregnant woman is brain dead, thus leading to the long-drawn legal battle that ensued in the weeks following Marlise Muñoz's pulmonary embolism.[10] Texas is one of several states that have laws that pertain to pregnant women and advance directives or Do Not Resuscitate (DNR) directives.