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can sex interfere with a home pregnancy test?


Posted by mleigh1214

 
Answers (1)
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If I understand your question correctly, I say No....If you took a pregnancy test that didn't turn out the way you wanted I suggest that you take another one. The chart below should help!

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Sensitivity Chart
Pregnancy Test Brand
Sensitivity (or the hCG threshold at which a positive result is indicated). The lower the number, the higher the test sensitivity.
Early Pregnancy Tests.com
# 1 Sensitivity
20 mIU/hCG (to purchase click here)
Answer Early Result Pregnancy Test 25 mIU/hCG
Confirm 1-Step 25 mIU/hCG
Equate 25 mIU/hCG
First Response Early Results Test 25 mIU/hCG
One Step Be Sure Pregnancy Test 25 mIU/hCG
Walgreen Digital 25 mIU/hCG
e.p.t. Home Pregnancy Test 40 mIU/hCG
e.p.t. Certainty Digital Test 40 mIU/hCG
Fact Plus Pregnancy Test 40 mIU/hCG
Clearblue Digital 50 mIU/hCG
Dollar Store Brand Pregnancy Test 50 mIU/hCG
Target Brand 50 mIU/hCG
WalMart Brand 50 mIU/hCG
Walgreens 100 mIU/hCG
 
When it comes to interpreting the tests, there are a few important keys to increasing accuracy and early-detection. These include:

1. Use first morning urine. Why? Because FMU will contain the highest amount of hCG. This means you can receive an accurate result sooner!

2. Hold your urine: If you need to test in the afternoon or evening, don't flush your body with liquids or urinate before testing. Hold your urine as long as (comfortably) possible. This way the hCG in the urine will not be diluted. This is a good alternative if you want to re-test or if you cannot use FMU.

3. Adhere to the test reaction time! If you go to Drugstore.com or any product review site, you will find many women complaining about false positive pregnancy tests. Actually, a false positive pregnancy test is quite rare. What may be happening here is that the test user is trying to read the test after the given reaction time specified by the manufacturer. The fact is, every test has a time interval that must be respected, typically between five and ten minutes. Any result determined after the reaction time should be disregarded or considered "invalid". Why? Two reasons. The first is that a test will become increasingly more sensitive over time and may indicate a very faint test line based on naturally levels of hCG (present in non-pregnant women and even men!). Second, sometimes the chemical composition of urine will cause a ghost line or evaporation line. Typically colorless, an evaporation line will only appear well after the given reaction time of the test. In other words, if you see an evaporation line, you should not be looking at the test anyway! In other words, if you see a ghost line, this is not a false positive, as the test reaction time has passed and the any result should be considered not valid.

A false negative pregnancy test is typically due to situations where the user is testing to early or there is not enough hCG in the urine sample. To avoid false negative results, observe tips one and two, and follow the testing guidelines of the manufacturer. There may also be instances where hCG levels differ among women. In other words, for women the rate of hCG production is slower, meaning that she may need to wait a few days longer before receiving a positive result. Also, implantation may occur later, which will also result in a bit of a delay in determining a positive result.

 

 

NOTICE: The information provided on this site is not a substitute for professional medical advice, diagnosis, or treatment. Never delay or disregard seeking professional medical advice from your physician or other qualified health provider because of something you have read on Wellsphere. If you have a medical emergency, call your doctor or 911 immediately.
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