Menstruation & pms , Causes

Up to 85% of women normally have one or more troubling physical and emotional symptoms between the time period they ovulate and the first days of their menstrual period.

Menstruation (a period) is a major stage of puberty in girls; it's one of the many physical signs that a girl is turning into a woman. And like a lot of the other changes associated with puberty, menstruation can be confusing. Some girls can't wait to start their periods, whereas others may feel afraid or anxious

These are called premenstrual symptoms. When premenstrual symptoms interfere with relationships or responsibilities, they are called premenstrual syndrome (PMS). While some women first have PMS in their teens or 20s, others don't until their 30s.

PMS can occur and go during your reproductive years. You may find that your symptoms worsen as you approach perimenopause, in your late 30s or 40s.

Many girls (and guys!) don't have a complete understanding of a woman's reproductive system or what actually happens during the menstrual cycle, making the process seem even more mysterious

Causes

The female endocrine system is so complex that medical experts don't fully understand the chain of events that causes PMS in some women and not others.

The one direct cause that is known to affect some women is definitely genetic. Many women with PMS have a close family member with a history of PMS.

Changes in the endocrine system that cause PMS symptoms may include:

Increased aldosterone (a hormone from the adrenal gland).
Too much prolactin (a hormone from the pituitary gland).
The brain's underuse of the neurotransmitter serotonin, which is known to cause anxiety and depression.
Decreased endorphins (hormones from the pituitary gland) .
Prostaglandins (chemicals made by all body cells), which are linked to breast pain, fluid retention, cramping, headaches, irritability, and depression.

Many fertility drugs increase a woman's chance of having twins, triplets or other multiples. Pregnant women with multiple fetuses have more problems during the period. Multiple fetuses have a high risk of being born too early (prematurely). Premature babies are at a higher risk of health and developmental problems.
Menstrual Disorders
Menstrual Disorders, Premenstrual syndrome (PMS) cannot be prevented, but you can certainly take measures to reduce your risk of having severe premenstrual symptoms by:

Irregular Cycles: Metrorrhagia
One of the most common gynecological problems is an irregular menstrual disorders cycle.
No Menstrual Cycle: Amenorrhea
Heavy Flow: Menorrhagia
If you have an extremely heavy flow, it may be normal for you. This is known as primary menorrhagia, which means that your flow has been heavy since you first began menstruating.
Painful Periods: Dysmenorrhea
Primary dysmenorrhea means that you've always had painful periods-ever since you started menstruating.
Periods on Oral Contraceptives
Green Periods