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Doctor insights on: Blue Dye Pregnancy Test Evaporation Line

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Are evaporation lines on a EPT pregnancy test blue or gray?

Are evaporation lines on a EPT pregnancy test blue or gray?

I don't know: specifics about the EPT test but the evaporation lines that I have seen were gray. ...Read more

Dr. Suzanne Galli
4 doctors shared insights

Pregnancy (Definition)

When your due date arrives, you will be more than ready to have your baby! Most women deliver the baby somewhere between 37 and 42 weeks. According to the American College of Obstetricians and Gynecologists, only 5% of babies arrive on the exact due date. Approximately 7% of babies are not delivered by 42 weeks, and when that happens, it is referred to ...Read more


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I have heard blue dye pregnancy tests are known for false positives i took a blue dye pregnancy test, and it was positive, should I believe the test?

I have heard blue dye pregnancy tests are known for false positives i took a blue dye pregnancy test, and it was positive, should I believe the test?

See below: Did you miss your period? Do you have any signs listed in the website below? Unless you have evidence otherwise, please consider yourself pregnant and seek care for your and your baby's health. http://americanpregnancy.org/gettingpregnant/earlypregnancysymptoms.html. ...Read more

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Hi,I took a nemark blue dye pregnancy test it had a plus in results window but the result line was thinner than other just wondered if its a evap line?

Hi,I took a nemark blue dye pregnancy test it had a plus in results window but the result line was thinner than other just wondered if its a evap line?

No. That's positive: Any pickup in the positive area is positive. That said, you should have read it as directed. If the test was dried out and you left it there for some time before reading it, then that's not a valid test. I suggest you repeat it. ...Read more

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Are blue dye pregnancy test good if you have missed your period?

Too many false posit: It is said to have too many false positive, and it seems not a good pregnancy test.There are reports of many faint false positives. ...Read more

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Is a evap line on a blue dye pregnancy test thick or thin?

Is a evap line on a blue dye pregnancy test thick or thin?

Thinner: An evaporation line is a line caused by the evaporation of your urine. It can show up sooner that the test time limit. If a line shows up after the test time limit has passed, it probably isn't an evaporation line--it is probably a true positive result. Evap lines can appear to be thinner than a true positive result would be. There is a LOT of information on this topic at peeonastickfreak.com ...Read more

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Do blue dye pregnancy test cause false negatives compared to the pink dyed ones?

Do blue dye pregnancy test cause false negatives compared to the pink dyed ones?

Possibly : Any pregnancy test through urine can result in a false positive or negative result. However, the vast majority of the time they are very accurate if done properly. ...Read more

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Took a blue dye pregnancy test and got a faint positive. Took a pink dye test few mins later and was negative. Am I pregnant? It's only been 8dpo

Took a blue dye pregnancy test and got a faint positive. Took a pink dye test few mins later and was negative. Am I pregnant? It's only been 8dpo

Too soon to test: Conception, as defined by the generation of a fertilized ovum, occurs within day or so of the sex. However, it takes about two weeks for the embryo to make enough HCG to produce a positive pregnancy test. Blood test may be done a day after a missed period. Home pregnancy tests should be done 4-5 days after the missed period. If the result is negative repeat the test in 4-5 days. Use first morning urine and follow instructions for the test carefully. If you do not wish to be pregnant, use contraception all the time, every time. You may consider implanted contraceptive, or IUD. Practice safe sex. Get HPV vaccine. ...Read more

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Is a evap line on a pregnancy test thick or thin? I took a blue dye one and it was very faint with a plus and it was thick.

Is a evap line on a pregnancy test thick or thin? I took a blue dye one and it was very faint with a plus and it was thick.

Instructions in kit: Please follow the instructions in the kit carefully. You may need to repeat the test in 4-5 days. Use first morning urine and follow the instructions for the test carefully. If you do not wish to be pregnant, use contraception all the time, every time. You may consider implanted contraceptive, or IUD. Practice safe sex. Get HPV vaccine. ...Read more

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I took 2 blue dye first response pregnancy test and both had a thin blue positive line off centered could I be pregnant ? or is that just a faulty tes

See below: Have you missed a period? If not, you may be testing too early. Do the test 4-5 days after missed period. Use first morning urine and follow the instructions for the test carefully, including the time following the application of urine to reading the lines. ...Read more

Dr. Stephen Sudler
482 doctors shared insights

Pregnancy Test (Definition)

A pregnancy test measures a hormone called human chorionic gonadotropin (HCG). HCG is a hormone produced during pregnancy. It appears in the blood and urine of pregnant women as early as ...Read more