Girls will experience their first menstrual cycle, or period, about 2 1/2 years after breast development begins. Breast development begins with small lumps, called breast buds, under the nipples. Also, girls will typically experience a large growth spurt the year before they begin menstruation. Most girls get their first menstrual period between the ages of 12 and 13, but there is a wide range of what is considered a normal age to begin menstruating. Some girls will get their first period at age 9 and others will not start menstruating until they are 15. Many factors, including body weight, genetics, and involvement in sports, influence the age at which a girl begins menstruating. Girls will typically only grow another 1 to 2 inches after menstruating begins. Notify your health care provider if you notice breast buds or pubic hair developing before the age of 9 or do not notice any changes occurring by age 13.
Menstrual cycles are times from the first day of one period to the first day of the next period.Â There is normally about 28 days between cycles; however, a range of every 21-35 days is considered normal. Menstrual cycles last about 3-7 days. Bleeding is normally heavier at the beginning of a cycle and becomes lighter toward the end. It is common for periods to be irregular for the first year or two after a girl begins to menstruate. Timing of periods can be affected by stress, changes in bodyweight, diet, travel, exercise, and illness. Remember, irregular periods can be a sign of pregnancy in sexually active girls.
Girls, or women, may experience mild to severe cramping in their lower abdomen and/or back before or during their period. These cramps may be accompanied by a headache, lightheadedness, diarrhea, constipation, nausea, and/or vomiting.Â These symptoms may occur a few days before menstruation begins and may last through the duration of the period. The symptoms generally start to improve a few days after a period begins. It may be helpful to use a heating pad and take a warm bath to help relieve symptoms.Â It is also important to drink plenty of fluids, to eat well, and to get plenty of rest to help/relieve cramping and related symptoms. Over the counter medications like Ibuprofen (Motrin and Advil) or Aleve (Naproxen) may be helpful and can be safely taken for a few days to help with cramping symptoms. Make sure you or your daughter follow the directions on the packaging and take as directed.
PMS may occur up to 2 weeks before a period begins and symptoms subside once menstruation starts. PMS can be associated with changes in mood including feeling sad or depressed, mood swings, or irritability. Girls or women with PMS may also experience breast soreness, bloating, acne, food cravings, increased thirst or hunger, constipation, or diarrhea. Symptoms of PMS may be relieved by exercise, sleep, drinking plenty of fluids, avoiding salt and caffeine, and eating nutritious foods. There are medications available to help with PMS if the above methods are not effective.
If you have concerns related to menstruation keep a diary. Keep track of periods for a few months and write down the day each period starts and the day it ends. Also write down any symptoms related to menstruation, for example, heavy flow, cramping, feeling sad, etc. Remember to keep track of premenstrual symptoms as well. Your healthcare provider will be better able to help you if he/she can understand all of the symptoms.
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