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Menstruation

Menstruation

Alternate Names

  • menses
  • period
  • menarche
  • Female reproductive organs

Definition

Menstruation is the time during a woman's natural cycle when bleeding occurs from the vagina. Menstruation usually lasts between three and seven days.

What is going on in the body?

Menstruation occurs about fourteen days after an egg is released from one of the ovaries. The egg travels down the fallopian tube towards the uterus.
As the egg is released, estrogen levels rise and this causes the uterus to build up a thick lining (the endometrium) to prepare for pregnancy. If sperm from a male fertilizes the egg, the newly former embryo implants itself into the uterine wall and begins to develop.
If pregnancy does not occur, the uterus sloughs off the lining and excretes it through the cervix, or opening of the mouth of the uterus. This excreted uterine lining is the menstrual flow.
This cycle is repeated about every 28 days. The amount of time between menstruation may vary from woman to woman and month to month, however the amount of time between ovulation and menstruation is fairly constant.
Any duration between periods from 19 to 35 days is considered normal.

Risks

What are the causes and risks of the condition?

The cause of menstruation is the natural maturation of the female body resulting in ovulation. A female becomes ready to menstruate as young as 9 or 10 years old. Most will start to menstruate by the time they are fifteen.
Women can have problems if hormones are thrown off balance. Irregular or missed periods may be caused by stress, changes in weight, diet, or illness.

Prevention

What can be done to prevent the condition?

Menstruation does not need to be prevented. If a woman has her uterus removed for any of several medical reasons, she will no longer have a period.
However, for athletes or women planning for a honeymoon, the menstrual cycle can be temporarily suspended with continuous use of certain birth control pills.

Diagnosed

How is the condition diagnosed?

A female knows that she has started menstruation when she begins to bleed. It is not necessary to see a healthcare provider for diagnosis. But there are times when an evaluation by a healthcare provider is necessary. Examples include unusual symptoms that do not seem normal for the person's menstrual cycle, such as extreme discomfort or severe bleeding. Routine pelvic exams and PAP tests should be done by a healthcare provider.

Long Term Effects

What are the long-term effects of the condition?

Menstruation lasts from puberty to menopause.
One of the theoretical causes of endometriosis is called retrograde menstruation where the blood backs up through the fallopian tubes and into the peritoneal cavity. In the peritoneum, the endometrial cells in the blood may implant on pelvic structures, grow and cause pain and scarring.
After menopause, a woman ceases menstruation and can no longer become pregnant.

Other Risks

What are the risks to others?

Menstruation poses no risk to others. Any history of sexually transmitted diseases, including HIV, call for careful disposal of sanitary napkins and good hand washing.

Treatments

What are the treatments for the condition?

Women use a variety of menstrual products to control the flow of their period. Tampons, pads, sponges, cloth, and menstrual cups can all be used safely by most women to capture menstrual flow. The products come in various absorbencies for heavy and light flows. Over-the-counter medications like ibuprofen (i.e., Advil, Motrin) can help ease the pain of cramps. Severe cramping or bleeding should be brought to the attention of a healthcare provider.

Side Effects

What are the side effects of the treatments?

Women who use tampons must be careful to change them often. Frequent changes keep bacteria from accumulating. If bacteria build up, a woman may become ill with a potentially life-threatening disease called toxic shock syndrome.

After Treatment

What happens after treatment for the condition?

When menstruation ceases, a woman no longer needs tampons, pads, or other menstrual products.

Monitor

How is the condition monitored?

Menstruation is generally not monitored unless a woman has excessively heavy flow (menorrhagia), premenstrual syndrome, is trying to get pregnant, or is entering menopause.
For most women, menstruating is just a normal part of each month. A woman usually has physical signs, or knows by the calendar when her period is due.
If menstruation has not occurred and there is severe abdominal pain near the ovaries, immediate care should be sought. These symptoms may mean an ectopic pregnancy, or a pregnancy that is growing in the fallopian tube.

Sources

Listening To Your Body, Tampax Corporation

BodyMatters, [hyperLink url="http://www.bodymatters.com/" linkTitle="www.bodymatters.com"]www.bodymatters.com[/hyperLink]

Kids Health: All About Menstruation, [hyperLink url="http://kidshealth.org/" linkTitle="kidshealth.org"]kidshealth.org[/hyperLink]

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