Is your home pregnancy test positive and you are concerned about being pregnant?

Have you done a home pregnancy test and the result was positive?

Have you done a home pregnancy test and the result was negative, but you have not started your period and have symptoms of pregnancy?

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Have you had a tubal ligation?

Have you missed two periods, and there is no obvious cause?

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Do you think that your missed or irregular periods may be caused by a medicine?Note: If your answer is Yes :Call the health professional who prescribed the medicine to determine whether this is an expected side effect of this medicine. An appointment may not be needed.If you are taking a medicine not prescribed by a health professional, stop taking it. Call your health professional if you feel you need to keep taking the medicine or if you need help to control your symptoms after you stop the medicine.

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Are you age 16 or older, and you have not had a period for 3 months?

Are you age 15 or older, and you have never had a menstrual period?

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Have you not started having menstrual periods?

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Have you missed 1 or more periods, but you have not skipped any of your birth control pills?

Have your periods been different than what your health professional told you to expect?

Have you continued to miss periods or have very light periods and you have followed the instructions given by the health professional who prescribed the birth control pills?

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Call your health professional immediately.

You have answered "Yes" to a question that indicates you may need immediate care. Call your health professional now to discuss your symptoms and arrange for your care.

• Symptoms are likely to worsen without medical care.
• If you do not have a health professional, seek emergency care.
• Emergency transportation is not needed. However, if you are not able to travel safely either by driving yourself or having someone else drive you, call an ambulance.

You do not need to answer any of the other questions.

Call your health professional today.

You have answered "Yes" to a question that indicates you need to call your health professional to discuss your symptoms and arrange for care.

• An appointment today is usually needed.
• Symptoms are unlikely to improve without medical care.

Return to the Check Your Symptoms section and answer the questions. You may need to see a health professional sooner if you have other more serious symptoms.

You may wait to see if the symptoms improve over the next 24 hours.

You have answered "Yes" to a question that indicates you may wait to see if your symptoms improve over the next 24 hours (or the specified time period). If symptoms improve, no appointment is needed.

• If symptoms do not improve after 24 hours (or the specified time period), an appointment within the next 24 hours is usually needed.
• If appropriate, try home treatment to relieve your symptoms.
• Check your symptoms in 24 hours, or sooner if there is any change.
• Call your health professional if symptoms get worse.

Return to the Check Your Symptoms section and answer the questions. You may need to see a health professional sooner if you have other more serious symptoms.