The entire period of pregnancy up to one year after delivery is described as the perinatal period. Many physical and emotional changes occur before and after giving birth. Most women experience mixed and often contradictory feelings, which gradually diminish as they settle into the new routines of motherhood. Some women, however, experience sadness, anxiety, depression, frustration and other disturbing emotions. When these symptoms persist and a mood disorder develops, professional help is often necessary. This brochure covers how to recognize signs of PPD.