Which of the Following Is an Example of Postpartum Depression

Which of the following is an example of postpartum depression?

A) Helen reported experiencing feelings of anxiety and sadness once in a while in the two weeks following the birth of her baby after which she coped better with the demands of the new baby.
B) Nancy reported that she felt low and tearful five days after the delivery of her baby boy,but she added that these feelings did not persist.
C) Dora told her doctor that she has been feeling extremely low and helpless ever since she had her baby two months back and often feels incapable of nurturing her baby well.
D) Wendy has been experiencing bursts of feeling low and moody but she also feels excited about nurturing her baby along with her husband.