Pregnancy Tests and Menstrual Cycle Irregularities

Pregnancy test questions?

Hello doctor, my menstrual period is three days late this month.
My last period was from December 10 to December 16, and my last sexual intercourse was on January 5.
I took morning urine pregnancy tests on January 9 and January 12, both showing one line.
I had a blood test for pregnancy on January 11.
Is the result of this blood test accurate? Since around November, I have been taking medication for a peptic ulcer, and I also noticed signs of a delayed period at the end of December.
Could the medication for the peptic ulcer affect my menstrual cycle?

Gu Yue, 20~29 year old female. Ask Date: 2023/01/12

Dr. Cao Guotao reply Obstetrics and Gynecology

Hello, the chances of pregnancy should be low, so observation is sufficient.
It is recommended to use contraception at all times.
Wishing you good health.

Reply Date: 2023/01/12

More Info

Hello! Thank you for your question regarding pregnancy tests and menstrual cycle irregularities. Based on your description, it seems you have some concerns about the accuracy of your pregnancy test results and the potential impact of your medication on your menstrual cycle.

Firstly, regarding the accuracy of pregnancy tests, blood tests (serum hCG tests) are generally more reliable than home urine tests. A blood test can detect pregnancy earlier and is less likely to give false negatives. If you had a blood test on January 11 and it was conducted properly, the results should be quite accurate. If the test was positive, it indicates that you are likely pregnant. If it was negative and you still suspect you might be pregnant, it could be worthwhile to repeat the test a few days later, as hCG levels can take time to rise.

As for your menstrual cycle, it is not uncommon for various factors to influence its regularity. Stress, hormonal changes, and certain medications can all play a role. In your case, you mentioned that you have been taking medication for a peptic ulcer since November. Some medications can indeed affect your menstrual cycle, either by altering hormone levels or by causing side effects that might mimic premenstrual symptoms. It's important to consult with your healthcare provider about the specific medication you are taking to understand its potential effects on your menstrual cycle.

Additionally, if your menstrual cycle has been irregular or if you have experienced any unusual symptoms, it would be wise to keep track of these changes and discuss them with your doctor. They can provide guidance on whether any further evaluation or adjustment of your medication is necessary.

In summary, if your blood test was conducted correctly and returned a negative result, it is likely accurate. However, if you continue to experience irregularities in your menstrual cycle or have concerns about your medication, I recommend following up with your healthcare provider for personalized advice and potential further testing. They can help you navigate these concerns and ensure that both your reproductive health and your treatment for your peptic ulcer are managed effectively.
Remember, maintaining open communication with your healthcare provider is key to addressing any health concerns you may have during this time. Thank you for reaching out, and I wish you the best of health!

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