Missed Period: When to Continue Pregnancy Testing?

Menstruation has not occurred?

The last menstrual cycle was 43 days long, with the previous period occurring from December 4 to January 3.
I had protected sexual intercourse on January 28 and February 4.
I took a pregnancy test on February 14, which was negative.
I visited a gynecologist on February 20, where both the urine test and ultrasound showed no signs of pregnancy.
However, I still do not feel like my period is coming.
Should I continue to take pregnancy tests?

Niming, 20~29 year old female. Ask Date: 2016/02/22

Dr. Lü Lizheng reply Obstetrics and Gynecology

The response indicates that there is likely no pregnancy; however, due to irregular menstruation, it is recommended to seek medical attention.
Sincerely, Dr.
Lu Li-Cheng, Taoyuan Hospital.

Reply Date: 2016/02/22

More Info

When it comes to missed periods and the decision to continue pregnancy testing, there are several factors to consider. Based on your description, your last menstrual cycle was quite irregular, with a previous cycle lasting 43 days. You mentioned having unprotected sexual intercourse on January 28 and February 4, followed by a negative pregnancy test on February 14 and subsequent visits to a gynecologist where both urine tests and ultrasounds showed no signs of pregnancy.

Given this context, it is essential to understand how pregnancy tests work and the factors that can influence their accuracy. Home pregnancy tests typically detect the hormone human chorionic gonadotropin (hCG), which is produced shortly after a fertilized egg attaches to the uterine lining. This hormone can usually be detected in urine about one to two weeks after conception. However, if your menstrual cycle is irregular, it can complicate the timing of testing.

Since you have already tested negative on February 14 and have not experienced any signs of menstruation, it may be reasonable to wait a bit longer before testing again. If your period does not arrive by the time you expect your next cycle, which would be around early March given your previous cycle length, you might consider testing again.
In general, if you miss your period and have had unprotected intercourse, it is advisable to wait at least a week after your missed period to take a pregnancy test for the most accurate result. If you continue to experience symptoms such as breast tenderness, nausea, or fatigue, or if you have any unusual symptoms, it would be wise to consult with your healthcare provider for further evaluation.

Additionally, if you find that your cycles remain irregular or if you have concerns about your reproductive health, it may be beneficial to seek medical advice. Conditions such as polycystic ovary syndrome (PCOS), hormonal imbalances, or other underlying issues can affect menstrual cycles and fertility.

In summary, if your period does not arrive by the expected time of your next cycle, you should consider taking another pregnancy test. If the test is still negative and your period has not started, it would be prudent to consult with your healthcare provider to explore potential underlying causes and discuss your options moving forward. Regular monitoring of your menstrual cycle and any associated symptoms can provide valuable information for both you and your healthcare provider in managing your reproductive health.

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