Pregnancy Testing: Risks, Accuracy, and Costs Explained

Pregnancy and Pregnancy Testing

At the end of last month, my girlfriend just finished her period, and we did not have intercourse; there was only ejaculation through rubbing against her buttocks.
After that, she took a shower immediately.
This month, her period came, and it was heavy and red.
I found information online and am worried she might be pregnant, but she still got her period.
What are the chances of pregnancy? Should we use a pregnancy test? It has been 17 days since the 28th; is it accurate to test now? Also, if we go to a clinic or gynecology department for a pregnancy test, will it be expensive? Is it accurate? Will the hospital notify a guardian?

Lin Lin, 10~19 year old female. Ask Date: 2017/09/15

Dr. Huang Jianzhong reply Obstetrics and Gynecology

My girlfriend just finished her period, and there was no intercourse, only rubbing and ejaculation on her buttocks.
After that, she took a shower immediately.
This month, her period came, and it was heavy and red.
After researching online, I'm worried about the possibility of pregnancy, but she still got her period.
What are the chances? Should we use a pregnancy test? It's been 17 days since the 28th; is it accurate to test now? Also, if we go to a clinic or gynecology department for a pregnancy test, will it be very expensive? Is it accurate? Will the hospital notify a guardian?
Answer: Using a pregnancy test is accurate.

Reply Date: 2017/09/15

More Info

When it comes to understanding pregnancy testing, it's essential to consider several factors, including the timing of the test, the type of test used, and the circumstances surrounding potential conception. Based on your description, it seems you have concerns about the possibility of pregnancy despite having your menstrual period.

First, let's address the likelihood of pregnancy given your situation. If you engaged in sexual activity that involved ejaculation near the vaginal area, there is a possibility of sperm entering the vagina, which could lead to pregnancy. However, since you mentioned that your girlfriend had a menstrual period afterward, it is generally a strong indicator that she is not pregnant. Menstrual bleeding typically signifies that the uterus has shed its lining, which occurs when there is no implantation of a fertilized egg.

Regarding the timing of pregnancy tests, it is crucial to wait until at least the first day of a missed period for the most accurate results. Since you mentioned that it has been 17 days since the last menstrual period, a home pregnancy test could be accurate at this point. Most home pregnancy tests are designed to detect the hormone human chorionic gonadotropin (hCG) in urine, which is produced shortly after a fertilized egg implants in the uterus. If the test is taken too early, there may not be enough hCG in the urine for the test to detect, leading to a false negative result.

If you decide to visit a clinic or obstetrician-gynecologist (OB-GYN) for a pregnancy test, they typically offer both urine and blood tests. Blood tests are more sensitive and can detect pregnancy earlier than urine tests. The cost of these tests can vary widely depending on the healthcare facility, location, and whether you have insurance coverage. Generally, a urine pregnancy test at a clinic may cost between $10 to $50, while a blood test could range from $50 to $100 or more. It's advisable to check with the specific clinic for their pricing.

As for confidentiality, healthcare providers are bound by patient privacy laws, such as HIPAA in the United States. This means they cannot disclose any information about your visit or test results to anyone, including guardians, without your consent. You can feel assured that your medical information will remain private.

In summary, while the presence of a menstrual period typically indicates that pregnancy is unlikely, if there are still concerns, taking a home pregnancy test or visiting a healthcare provider for further testing can provide clarity. If the test is positive or if there are any unusual symptoms, it is essential to follow up with a healthcare professional for further evaluation and guidance. Always prioritize open communication with your partner about any concerns regarding pregnancy and reproductive health.

Similar Q&A

Understanding Pregnancy Risks: Testing Accuracy and Timing Concerns

On November 2, I accidentally had unprotected intercourse, but a pregnancy test on November 19 showed negative results, and the other person also got their period that day. What is the risk level in this situation? Additionally, is there a possibility that commercially available ...

Dr. Lin Wenbin reply Obstetrics and Gynecology
It is still necessary to have a physician examine you. You may think that menstruation could be bleeding. Urinary leakage may lead to insufficient volume, which does not meet the testing requirements.

Can Blood Tests Confirm Pregnancy? Timing and Costs Explained

Hello, doctor. I would like to ask about my last menstrual period, which ended on March 1. I had sexual intercourse on March 6, March 13, and March 21, using condoms. The recorded ovulation date is March 8, and my next expected period is set to start on March 22. To be cautious, ...

Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, you can have a blood test done, or you can wait to take a urine test 12 days after sexual intercourse. Generally, the cost of a blood test is around $500, but it varies by facility. The urine test is cheaper; you can simply buy a pregnancy test kit at the pharmacy. Wishing...

Understanding Pregnancy Tests: Accuracy and Timing Concerns

I am Mr. Lai, who asked a question earlier and would like to add some inquiries for the doctor. Q1: If the pregnancy test on July 12 was done using normal urine instead of first morning urine, what is the accuracy of the test? Is there a significant difference in accuracy compa...

Dr. Huang Jianzhong reply Obstetrics and Gynecology
Q1: What is the accuracy rate of pregnancy tests? Is there a significant difference in accuracy when using morning urine? Therefore, what is the likelihood of pregnancy on June 19? Ans: There is no need to emphasize morning urine; the accuracy rate of pregnancy tests does not dif...

Understanding Pregnancy Tests and Menstrual Bleeding: Key Insights

1. Is the accuracy of the pregnancy test high in this case? 2. Is the bleeding experienced a sign of pregnancy or a menstrual period? 3. Is the accuracy of a pregnancy test conducted 14 days after intercourse high?

Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, a pregnancy test should be taken at least 12 days after conception for accurate results. The chances of pregnancy are low, so it's best to use contraceptive measures beforehand. Wishing you good health.