Anna's grandmother passed away 2 weeks ago and she is frustrated by the fact that she is still having crying spells that sometimes hit her suddenly and unexpectedly. She reports she has been fine at work which she attributes to being "super busy" and when she gets home she focuses on taking care of her dogs and doing chores around the house. The crying spells happen when she is "alone with [her] thoughts" in the shower or trying to crochet, which she used to do with her grandmother every Tuesday night. Which of the following diagnoses seems most appropriate?
Group of answer choices
Obsessive compulsive disorder
Prolonged grief disorder
Posttraumatic stress disorder
No diagnosis