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Doctor insights on: False Negative First Response Pregnancy Test

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Dr. James Lin
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 took 6 negative first response pregnancy test and the on my 7th is was negative but when i looked at it hours later, i was positive. am i pregnant ?

I took 6 negative first response pregnancy test and the on my 7th is was negative but when i looked at it hours later, i was positive. am i pregnant ?

No: There is a specified time period to read the urine pregnancy test - after that time the test would not necessarily be valid. If unsure, you could repeat the test. It is not likely that you are pregnant based on the the positive test result after "hours". ...Read more

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Just took a first response pregnancy test still negative what to do now?

Just took a first response pregnancy test still negative what to do now?

Repeat or see OB: If you have sx of pregnancy (nausea, breast tenderness, missed menses, fatigue, etc) repeat the test in a couple of days. Don't spend a fortune on tests, dollar store tests can be accurate but you get what you pay for (ie-not the most reliable...). If you want confirmation, see your doc or OB & get your morning urine checked since it's usually more concentrated & easier to see positive results. ...Read more

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Should first response pregnancy test be accurate at 6 (almost 7) weeks? I've taken 2 and keep getting negatives

Should first response pregnancy test be accurate at 6 (almost 7) weeks? I've taken 2 and keep getting negatives

Confidence: on the day that you would expect your period by urine pregnancy test can be over 90% predictive of whether or not you are pregnant. However, keep in mind these tests are not perfect. It is always good to get a second opinion from a primary care provider if you continue to have doubts for further testing. ...Read more

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I took a first response pregnancy test it was negative 2 days later there was a fanit line came out. Am i pregnant?

I took a first response pregnancy test it was negative 2 days later there was a fanit line came out. Am i pregnant?

You may be: Yes you may be pregnant, it depends on how many days after conception did you do the pregnancy test i will wait for 2to 3 days and repeat and faint line may become visible strong line or it will be negative.But if it was a faintly positive, it will confirm if it is positive. ...Read more

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I took a first response pregnancy test about almost 4 weeks after sex. Came up negative. Is this a trustful reading ? Used morning urine.

I took a first response pregnancy test about almost 4 weeks  after sex. Came up negative. Is this a trustful reading ? Used morning urine.

Yes: A urine pregnancy test done correctly gives a reliable result 3 weeks after sex (3 weeks after when conception might have happened) or 1 week after missing a period. If done sooner, a positive result is likely real, but a negative result may be due to testing too soon, and therefore lead to a repeat test. If a woman has her normal regular period, then she is not pregnant, and a test is not needed. ...Read more

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Its been 31 days since my last period i took 3 first response pregnancy test all negative. What should I do?

Its been 31 days since my last period i took 3 first response pregnancy test all negative. What should I do?

Nothing to do: Menstrual irregularities are not uncommon and the cause is usually self correcting hormone imbalance. If you do not wish to get pregnant, keep practicing contraception. See this site for more info. http://women.webmd.com/tc/missed-or-irregular-periods-topic-overview. ...Read more

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My period is 2 weeks late. It's never been late before. I just took a first response pregnancy test and it came out negative. Should I take it again?

My period is 2 weeks late. It's never been late before. I just took a first response pregnancy test and it came out negative. Should I take it again?

You could: You could repeat it or try a different test but it isn't likely to be any different at this point. If you were pregnant, it should be positive by now. There are many things that can make your period late. Talk to your doctor so he/she can help you figure out what is going on in your case. ...Read more

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How accurate is a first response pregnancy test two weeks after conception and Plan B one step? Both tests were negative. Period due this week.

How accurate is a first response pregnancy test two weeks after conception and Plan B one step? Both tests were negative. Period due this week.

Pregnancy tests: Urine pregnancy tests are very accurate in general and if performed and interpreted correctly, tend to be positive within days after conception. ...Read more

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I took a first response pregnancy test 3 and 4 days before I'm supposed to get my period. Both came out negative. I'm on BC. How accurate is this?

I took a first response pregnancy test 3 and 4 days before I'm supposed to get my period. Both came out negative. I'm on BC. How accurate is this?

Pill induced amenorr: It is VERY common to get light or absent periods on birth control pills, especially the newer low estrogen pills. The estrogen hormone causes the lining to build up and there just is not much or any to come out. DONT STOP taking them. If you have not missed pills, you are likely not pregnant ...Read more

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Had unprotected sex on july 5 just 1 or 2 days after my period 31 days later i took a first response pregnancy test and it came out negative, am i ok?

Had unprotected sex on july 5 just 1 or 2 days after my period 31 days later i took a first response pregnancy test and it came out negative, am i ok?

Not pregnant: First response early result pregnancy test is reported to detect HCG up to 6 days prior to your anticipated period. The fact that you have a negative test 29 to 30 days after intercourse should be accurate. ...Read more

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Had sex on 4/2 and took Plan B on 4/5. Took first response pregnancy test on 4/15 & 4/20. Both negative. Have an irregular period. Am i in the clear?

Had sex on 4/2 and took Plan B on 4/5. Took first response pregnancy test on 4/15 & 4/20. Both negative. Have an irregular period. Am i in the clear?

LIkely: It seems likely. Taking plan b, as you know, 72 hours after unprotected intercourse, isn't the ideal, but better than not. It sounds as if by now if you were pregnant, a pregnancy test would be positive. I would, in the meantime, find a more reliable form of birth control and wait another cycle so you can know where you're at in terms of ovulation and menstruation, if at all possible. ...Read more

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Can you get positives on cheap pregnancy test, and then get negative on first response, what does it mean if you do?

Can you get positives on cheap pregnancy test, and then get negative on first response, what does it mean if you do?

Home tests accurate: In the United States home urine tests are all quite accurate. False positives are extremely rare and due to specific medical conditions. But the test needs to be read at the 3 minute mark. If the test is left sitting and read later, it will be falsely positive. If the tests were read at the correct time, it may mean that there was a very early miscarriage of sorts. ...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