Premenstrual syndrome (PMS) is a combination of many cognitive and emotional symptoms affecting women in menstruating age. 

PMS and it’s more severe form, premenstrual dysphoric disorder (PMDD) are commonly associated with other mood-related disorders such as major depressive disorder and causes significant life impairment with mood swings, tension and anxiety, but their relationship with personality disorders is less clear.

Many psychological, physical and social behavioural factors have an impact on occurrences of PMS. According to the Diagnostic and Statistical Manual of Mental Disorders, PMS and its more severe form, premenstrual dysphoric disorder (PMDD) is regarded as a type of depressive disorder (DD). The psychiatric markers of PMDD are characterised not only by mood symptoms but also by those for anxiety. Most women with PMS suffer with a lifetime history of anxiety disorder in addition to a prolonged depressive disorder.

Puberty is the time when a child moves through a series of significant, natural and healthy changes. These physical, psychological and emotional changes are a sign that a child is moving from childhood towards adulthood.

Physical changes in puberty and adolescence broadly includes:

• physical growth and development inside and outside the body
• changes to the sexual organs
• brain changes
• social and emotional changes.

Some of the social changes in puberty and adolescence includes responsibility, independence, new experiences, values, sexual identity, influences and etc..

The emotional changes include moods and feelings, sensitivity to others, self-consciousness and decision-making 

The psychological changes of adolescence include the appearance of new cognitive structures for instance the ability to think abstractly and introspectively, establishment of moral values and norms and a coming to terms with the developmental tasks that are specific to this period.