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Anywhere, CO 80134
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Anywhere, CO 80127
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  • Select from over 100 symptoms to read more about managing your child's illness.

    Is Your Child Sick? TM


    Menstrual Period - Missed or Late

    Is this your child's symptom?

    • Late or missed menstrual period
    • Late period: 5 or more days late compared to normal menstrual cycle
    • Missed period: no menstrual flow for more than 6 weeks
    • Teen not using any birth control that stops periods. These products include birth control shots, implants, and IUDs with hormones.

    If NOT, try one of these:


    Normal Cause of a Missed Period during the First Year

    • Skipping periods is common during the first 1 to 2 years after they start. This is due to not releasing an egg each month.
    • This is most likely the cause if less than 2 years since the first period
    • Has missed periods in the past or has had only 1 or 2 periods
    • Otherwise healthy
    • No signs of pregnancy such as breast tenderness, breast swelling or nausea

    Common Cause of a Missed Period after the First Year

    • Pregnancy is the most common cause

    Other Causes

    • Stress
    • Dieting, extreme exercise and weight loss
    • Polycystic ovarian disease
    • Endocrine disorders
    • Birth control products like birth control shots, implants, and some IUDs

    Home Urine Pregnancy Tests

    • Home urine pregnancy tests do not cost very much. They are easy to use. Most drugstores sell these tests. No prescription is needed.
    • Urine pregnancy tests are very accurate. They can turn positive as early as the first week after a missed period.
    • It is best to do the pregnancy test first thing in the morning. Reason: hormone levels are higher in the morning urine.
    • Sometimes, a home test is negative even if you think you might be pregnant. In this case, repeat the test. Do the repeat test in 3-5 days. You can also go to a doctor's office for testing.
    • A pregnancy testing fact sheet can be found at www.womenshealth.gov. Search "pregnancy tests."

    When to Call for Menstrual Period - Missed or Late

    When to Call for Menstrual Period - Missed or Late

    Call Doctor or Seek Care Now

    • Your teen looks or acts very sick
    • You think your teen needs to be seen, and the problem is urgent

    Call Doctor During Office Hours

    • Home pregnancy test is positive
    • You want a pregnancy test done in the office
    • Sexual intercourse (had sex) within the last 3 months
    • Recent breast swelling, weight gain or nausea
    • Teen acts sick
    • Has missed 2 or more periods and prior periods were regular
    • Recent weight loss
    • Excessive exercise suspected as cause of no periods
    • First period started less than 1 year ago and has missed 4 or more periods
    • Age 15 or older and periods have not started
    • Cause is unknown (not recent onset of menstrual periods or recent stress)
    • You think your teen needs to be seen, but the problem is not urgent
    • You have other questions or concerns

    Self Care at Home

    • Pregnancy suspected or possible
    • First period started less than 1 year ago and has missed 3 periods or less
    • Recent stress (such as starting at a new school, break-up) causing late period

    Call Doctor or Seek Care Now

    • Your teen looks or acts very sick
    • You think your teen needs to be seen, and the problem is urgent

    Call Doctor During Office Hours

    • Home pregnancy test is positive
    • You want a pregnancy test done in the office
    • Sexual intercourse (had sex) within the last 3 months
    • Recent breast swelling, weight gain or nausea
    • Teen acts sick
    • Has missed 2 or more periods and prior periods were regular
    • Recent weight loss
    • Excessive exercise suspected as cause of no periods
    • First period started less than 1 year ago and has missed 4 or more periods
    • Age 15 or older and periods have not started
    • Cause is unknown (not recent onset of menstrual periods or recent stress)
    • You think your teen needs to be seen, but the problem is not urgent
    • You have other questions or concerns

    Self Care at Home

    • Pregnancy suspected or possible
    • First period started less than 1 year ago and has missed 3 periods or less
    • Recent stress (such as starting at a new school, break-up) causing late period

    Care Advice

    Pregnancy Suspected or Possible

    1. What You Should Know About Late Periods if Having Sex:
      • Menstrual periods stop when a woman becomes pregnant.
      • A woman with a missed or late period should think about pregnancy.
      • Here is some care advice that should help.
    2. Pregnancy Test, When in Doubt:
      • If there is a chance that you might be pregnant, use a urine pregnancy test.
      • You can buy a pregnancy test at any drugstore.
      • It works best first thing in the morning.
      • Follow all package instructions.
    3. Call Your Doctor If:
      • You have trouble with the home pregnancy test
      • Pregnancy test is positive
      • Misses 2 periods and pregnancy test is negative
      • Your teen develops any serious symptoms

    First Period Started Less than 1 Year Ago

    1. What You Should Know About First Periods in Young Teens:
      • Skipping periods is common during the first 1 or 2 years after they start.
      • It doesn't mean anything serious or cause any harm.
      • A girl can normally go up to 6 months between the first and second periods.
      • Also, a girl can go up to 4 months between the second and third periods.
      • Normal irregular periods can go on for 2 years.
    2. Call Your Doctor If:
      • Misses 4 periods
      • New symptoms suggest pregnancy (such as morning sickness)
      • You have other questions

    Recent Stress Causing Late Period

    1. What You Should Know about Stress and Late Menstrual Periods:
      • Stress can disrupt normal menstrual cycles.
      • Try to help your daughter deal with the stress by talking about it.
      • Also, try to avoid or decrease stressors.
      • If this does not help, seek help from a counselor.
    2. Call Your Doctor If:
      • Misses 2 periods
      • Your daughter needs help coping with stress
      • New symptoms suggest pregnancy (such as morning sickness)
      • You have other questions

    And remember, contact your doctor if your child develops any of the 'Call Your Doctor' symptoms.

    Disclaimer: this health information is for educational purposes only. You, the reader, assume full responsibility for how you choose to use it.

    Copyright 2000-2019 Schmitt Pediatric Guidelines LLC.