<unk>  is classified based on a woman's symptoms. During pregnancy, a lot of changes to mood, memory, eating habits, and sleep are common. When these common traits become severe, and begin to alter one's day-to-day life, that is when it is considered to be<unk> . Symptoms of<unk>  are: * Inability to concentrate. * Overwhelming anxiety and fear. * Difficulty remembering. * Feeling emotionally numb. * Extreme irritability. * Sleeping too much or not enough, or restless sleep. * Extreme or unending fatigue. * Desire to over eat, or not eat at all. * Weight loss/gain unrelated to pregnancy. * Loss of interest in sex. * A sense of dread about everything, including the pregnancy. * Feelings of failure, or guilt. * Persistent sadness. * Thoughts of suicide, or death. Other symptoms can include the inability to get excited about the pregnancy, and/or baby, a feeling of disconnection with the baby, and an inability to form/feel a bond with the developing baby. This can drastically affect the relationship between the mother and the baby, and can drastically affect the mother's capacity for self-care. Such inadequacies can lead to even greater risk factors for the mother.<unk>  can be triggered by various causes, including relationship problems, family or personal history of<unk> , infertility, previous pregnancy loss, complications in pregnancy, and a history of abuse or trauma. Onset and duration of symptoms<unk>  can be caused by many factors. Often it is associated with the fear and stress of the pregnancy. Other factors include unintended pregnancy, hyperemesis gravidarum, financial issues, living arrangements and relationships with the father and family. Typically,<unk>  symptoms associated with pregnancy are categorized as postnatal<unk> , due to the onset of symptoms occurring after childbirth has occurred. The following is a breakdown of when a group of various women began to feel the onset of symptoms associated with<unk> : *11.8 percent at 18 weeks * 13.5 percent at 32 weeks * 9.1 percent 8 weeks after the birth * 8.1 percent 8 months after the birth In a recent article posted by The BabyCenter, the authors stated that "For years, experts mistakenly believed that pregnancy hormones protected against<unk> , leaving women more vulnerable to the illness only after the baby was born and their hormone levels plunged." This is a possible explanation as to why<unk>  has just recently been identified.
Antenatal depression
Asynclitic birth
Fetal warfarin syndrome
Perinatal asphyxia
Paternal depression
Neonatal infection
Neonatal sepsis
Maternal-fetal conflict