Prenatal depression may be the most severe of maternal dep.

Postpartum depression can occur during pregnancy not just after the baby is born. “Results from their recent study suggest that such women who develop depression before or during their pregnancies suffer from a more severe version of this mental-health concern and experience more intense feelings of sadness, along with sleep concerns and, in rare instances, paranoia."

www.washingtonpost.com/news/to-your-health/wp/2016/08/29/prenatal-depression-may-be-the-most-severe-form-of-maternal-depression/?postshare=4201472516871360&tid=ss_tw-bottom