The etiology of PPD is unclear and is
varied from woman
to woman, but certain
factors are suspected
to contribute
to its development: hormonal fluctuations, any preexisting medical problems, personal or family history of depression, marital dysfunction or general lack of support and social network, immaturity and low self - esteem, negative feelings about the pregnancy, lack of sleep, financial concerns, premature or special needs
child, multiple pregnancy, traumatic birth, chronic stress
factors, and neurotransmitter deficiencies.