First menstrual cramps
First period, first menstrual cramps – unusual, unpleasant and even strange. Why you have menstrual cramps? What can prevent menstrual cramps?
Menstrual cramps are pains in the abdominal (belly) and pelvic areas that are experienced by a woman as a result of her menstrual period. Menstrual cramps are not the same as the discomfort felt during premenstrual syndrome (PMS), although the symptoms of both disorders can sometimes be experienced as a continual process. Many women suffer from both PMS and menstrual cramps.
Menstrual cramps can range from mild to quite severe. Mild menstrual cramps may be barely noticeable and of short duration – sometimes felt just as a sense of light heaviness in the belly. Severe menstrual cramps can be so painful that they interfere with a woman’s regular activities for several days.
Menstrual cramps of some degree affect more than an estimated 50% of women, and among these, up to 15% would describe their menstrual cramps as severe. Surveys of adolescent girls show that over 90% of girls report having menstrual cramps.
What is dysmenorrhea?
The medical term for menstrual cramps is dysmenorrhea. There are two types of dysmenorrhea, primary and secondary.
In primary dysmenorrhea, there is no underlying gynecologic problem causing the pain. This type of cramping may begin within six months to a year following menarche (the beginning of menstruation), the time when a girl starts having menstrual periods. Menstrual cramps typically do not begin until ovulatory menstrual cycles (when an egg is released from the ovaries) occur, and actual menstrual bleeding usually begins before the onset of ovulation.
Therefore, an adolescent girl may not experience dysmenorrhea until months to years following the onset of menstruation.
In secondary dysmenorrhea, some underlying abnormal condition (usually involving a woman’s reproductive system) contributes to the menstrual pain. Secondary dysmenorrhea may be evident at menarche but, more often, the condition develops later.
Menstrual cramps causes
Each month, the inner lining of the uterus (the endometrium) builds up in preparation for a possible pregnancy. After ovulation, if the egg is not fertilized by a sperm, no pregnancy will result and the current lining of the uterus is no longer needed. The woman’s estrogen and progesterone hormone levels decline, and the lining of the uterus becomes swollen and dies. It is then shed and will be replaced by a new lining in the next monthly cycle.
When the old uterine lining begins to break down, molecular compounds called prostaglandins are released. These compounds cause the muscles of the uterus to contract. When the uterine muscles contract, they constrict the blood supply (vasoconstriction) to the endometrium. This contraction blocks the delivery of oxygen to the tissue of the endometrium which, in turn, breaks down and dies. After the death of this tissue, the uterine contractions literally squeeze the old endometrial tissue through the cervix and out of the body by way of the vagina. Other substances known as leukotrienes, which are chemicals that play a role in the inflammatory response, are also elevated at this time and may be related to the development of menstrual cramping.
Why are some cramps so painful?
Menstrual cramping are caused by the uterine contractions that occur in response to prostaglandins and other chemicals. The cramping sensation is intensified when clots or pieces of bloody tissue from the lining of the uterus pass through the cervix, especially if a woman’s cervical canal is narrow.
The difference between menstrual cramping that are more painful and those that are less painful may be related to a woman’s prostaglandin levels. Women with menstrual cramping have elevated levels of prostaglandins in the endometrium (uterine lining) when compared with women who do not experience cramps. Menstrual cramping are very similar to those a pregnant woman experiences when she is given prostaglandin as a medication to induce labor.
Can menstrual cramps be measured?
Yes. Menstrual cramping can be scientifically demonstrated by measuring the pressure within the uterus and the number and frequency of uterine contractions. During a normal menstrual period, the average woman has contractions of a low pressure (50-80 mm Hg), which last 15-30 seconds at a frequency of 1-4 contractions every 10 minutes. When a woman has menstrual cramping, her contractions are of a higher pressure (they may exceed 400 mm Hg), last longer than 90 seconds, and often occur less than 15 seconds apart.
What other factors influence menstrual cramps?
- Unusually narrow cervical canal tends to increase menstrual cramping.
- Another anatomical factor thought to contribute to menstrual cramping is a backwards tilting of the uterus (a retroverted uterus).
- Lack of exercise is now recognized to contribute to painful menstrual cramping.
- It has long been thought that psychological factors also play a role.
- Emotional stress can increase the discomfort of menstrual cramping.
Menstrual cramps symptoms
Cramps during menstruation are pains that begin in the lower abdomen and pelvis. The discomfort can extend to the lower back or legs. The cramps can be a quite painful or simply a dull ache. They can be periodic or continual.
Menstrual cramping usually start shortly before the menstrual period, peak within 24 hours after the onset of the pains, and subside again after a day or two.
Painful menstruation may be accompanied by a headache and/or nausea, which can lead, although infrequently, to the point of vomiting. Menstrual cramping can also be accompanied by either constipation or diarrhea because the prostaglandins which cause smooth muscles to contract are found in both the uterus and intestinal tract. Some women experience an urge to urinate more frequently.
Menstrual cramps diagnosis
The diagnosis of menstrual cramping is usually made by the woman herself and reflects her individual perception of pain. Once a woman has experienced pain during menstruation, usually with the adolescent onset of her menses (monthly menstrual flow), she becomes well aware of the typical symptoms (by Melissa Conrad Stöppler and William C. Shiel Jr).
Menstrual cramps solutions
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