Is the probability of getting pregnant high?
My menstrual cycle has been quite regular.
The first day of my last period was on October 17, and I had unprotected intercourse with my boyfriend on November 3 (which I know is during the fertile window).
He withdrew before ejaculation, but I understand that pre-ejaculate fluid can contain sperm.
Logically, my next period should have arrived on November 17, but it is now 9 days late.
On November 25, I bought a pregnancy test at the pharmacy.
I didn't use the first morning urine, and the result was negative, indicating that I am not pregnant.
I have been experiencing vaginal discharge, breast tenderness, and occasional nausea.
Does this indicate pregnancy? Is it more accurate to take a pregnancy test 14 days after my expected period on November 17, or 14 days after the intercourse?
LING, 10~19 year old female. Ask Date: 2006/11/26
Dr. Xu Junzheng reply Obstetrics and Gynecology
It is advisable to have the test done again at the hospital.
Thank you!
Reply Date: 2006/11/26
More Info
When it comes to understanding pregnancy chances and the appropriate timing for taking a pregnancy test, several factors come into play. Based on your description, it seems you are experiencing a delay in your menstrual cycle, which can understandably lead to concerns about potential pregnancy.
Firstly, let’s clarify the timing of pregnancy tests. The most reliable time to take a home pregnancy test is after a missed period. Since you mentioned that your last menstrual cycle started on October 17 and you expected your next period around November 17, you should ideally wait until at least that date to take a test. This is because home pregnancy tests detect the hormone hCG (human chorionic gonadotropin), which is produced after a fertilized egg implants in the uterus. This process typically occurs about 6 to 10 days after conception, but it can take a few days for hCG levels to rise enough to be detected by a home test.
You mentioned that you took a pregnancy test on November 25, which is about eight days after your expected period. If this test was taken with urine that was not the first morning sample, it could potentially yield a less accurate result. For the most accurate results, it is recommended to use the first morning urine, as it contains the highest concentration of hCG.
Regarding your symptoms—such as breast tenderness, nausea, and increased vaginal discharge—these can be indicative of early pregnancy, but they can also be related to other factors, including hormonal changes or premenstrual symptoms. It’s important to note that these symptoms alone are not definitive indicators of pregnancy.
If you are still unsure about your pregnancy status after taking a test, consider the following steps:
1. Retest: If your period does not arrive, wait a few days and take another pregnancy test, preferably using the first morning urine. This will help ensure the accuracy of the test.
2. Consult a Healthcare Provider: If you continue to experience symptoms or if your period remains absent, it would be wise to consult a healthcare provider. They can perform a blood test, which is more sensitive than a home pregnancy test and can detect lower levels of hCG.
3. Monitor Your Cycle: Keep track of your menstrual cycle and any symptoms you experience. This information can be helpful for your healthcare provider in assessing your situation.
In summary, the best time to take a pregnancy test is after a missed period, ideally using the first morning urine for the most accurate result. If you have taken a test and it is negative but your period has not arrived, consider retesting after a few days or consulting with a healthcare provider for further evaluation. Remember, while home pregnancy tests are generally reliable, they are not infallible, and professional medical advice is always recommended when in doubt.
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