- 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.
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
- 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."