User:Mvirk422/sandbox

Mood and behavior[edit]
Menstruation is often associated with negative changes in one's mood and behavior. These negative changes include but are not limited to mental tension, irritability, mood swings, anger, depression, and internal tension that are severe enough to interfere with daily activities. Problems can also occur with concentration and memory. This is in addition to the physical toll that the menstrual cycle can have on one's body.

This effect is defined as premenstrual syndrome (PMS) that occurs during the second half of the menstrual cycle. A more severe and chronic form of PMS is premenstrual dysphoric disorder (PMDD). These are conditions that can affect anyone but at the same time do not necessarily affect everyone. While it is currently unknown the true etiology of PMS and PMDD, it is believed that those who do experience symptoms are hypersensitive to the effect of normal hormonal changes that occur before and during the menstrual period. There are no tests for PMS and PMDD.

The implications of PMS and PMDD can have an impact beyond those experiencing the symptoms. Depending on how much one is effected by the changes in hormonal levels and how they are able to manage, further consequences include edginess and conflict with family, coworkers, and friends, as well as difficulty performing to one's full capacity in the workplace. Additionally, changes in mood and behavior can influence eating and sleeping habits; either in surplus or shortage.

Anxiety and depression in the context of PMS and PMDD differ from diagnosis on their own in that anxiety and depression in association with are very common symptoms of PMS and PMDD. Anxiety and depression in association with menstruation are dealt with differently some of the symptoms of PMS and PMDD so it may be difficult to discern them as their own conditions. The main difference is that depression or anxiety felt before or during the menstrual period disappears when the cycle ends. Depression and anxiety that occurs all the time would

Rarely, in individuals who are susceptible, menstruation may be a trigger for menstrual psychosis.

Extreme psychological stress can also result in periods stopping.[21]