Missed Period Concerns: Should I Take a Pregnancy Test? - Obstetrics and Gynecology

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Menstruation is causing me concern?


Last month on June 18, I experienced the onset of my period, but now on July 21, my menstruation has not arrived and is already several days late.
Should I take a pregnancy test?

viv, 10~19 year old female. Ask Date: 2011/07/21

Dr. Zhang Yongxuan reply Obstetrics and Gynecology


Menstruation often starts irregularly and anovulatory, but it typically becomes more regular and ovulatory within two years.
In the first year of menstruation, ovulatory cycles account for only about 14%, increasing to 50% by the end of the second year and reaching 87% by the fifth year, so there is no need for you to take a pregnancy test.

Reply Date: 2011/07/21

More Info


If your period is late, especially if you have a regular menstrual cycle, it is generally a good idea to take a pregnancy test. In your case, since your last menstrual period started on June 18 and it is now July 21, you are over a month late. This is a significant delay, and it could indicate a few possibilities, including pregnancy.

Pregnancy tests are designed to detect the hormone human chorionic gonadotropin (hCG), which is produced shortly after a fertilized egg attaches to the uterine lining. Most home pregnancy tests are quite accurate when taken after a missed period, especially if you follow the instructions carefully. It’s best to use the first morning urine for the most concentrated results, as hCG levels are typically higher at that time.

Given your situation, here are some steps and considerations:
1. Take a Pregnancy Test: Since you are already late, taking a home pregnancy test now would be advisable. If the test is positive, it is important to schedule an appointment with your healthcare provider for further evaluation and to discuss your options moving forward.

2. Consider Other Symptoms: In addition to a missed period, consider any other symptoms you may be experiencing. Common early signs of pregnancy include nausea, breast tenderness, fatigue, and frequent urination. However, these symptoms can also be related to other factors, such as stress, hormonal imbalances, or changes in weight.

3. Evaluate Other Factors: If you have been under stress, experienced significant weight changes, or have had any recent health issues, these could also affect your menstrual cycle. Conditions such as polycystic ovary syndrome (PCOS) or thyroid disorders can lead to irregular periods.

4. Follow Up: If the pregnancy test is negative and your period still does not arrive, it is a good idea to consult with a healthcare provider. They can help determine the underlying cause of your missed period and discuss any necessary treatments or lifestyle changes.

5. Lifestyle Considerations: If you are trying to conceive, maintaining a healthy lifestyle can be beneficial. This includes a balanced diet, regular exercise, and managing stress levels. If you are not trying to conceive, consider discussing contraceptive options with your healthcare provider.

6. When to Seek Immediate Care: If you experience severe abdominal pain, heavy bleeding, or any other concerning symptoms, seek medical attention promptly. These could be signs of complications that require immediate care.

In summary, taking a pregnancy test is a logical next step given your missed period. Regardless of the outcome, it is important to follow up with a healthcare provider to ensure your reproductive health is in good standing. They can provide guidance tailored to your specific situation and help address any concerns you may have.

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