Use the Following Terms to Answer -Robin Alexandra Refuses to Maintain a Minimal Normal Body Weight

Use the following terms to answer:
$\begin{array}{|l|}\hline\text {Anorexia nervosa }\\\text { Binge eatin}\\\text {Binge eating disorder (BED) }\\\text {Grazing }\\\text {Pica }\\\text {Purging }\\\text { Rumination}\\\hline\end{array}$

-Robin Alexandra refuses to maintain a minimal normal body weight. She has an intense fear of getting fat, a disturbance in the way she views her body shape and has missed her last four menstrual cycles. These symptoms are indicative of _______________.