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Doctor insights on: How Does The First Response Pregnancy Test Work

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How well do the first response pregnancy tests work ?

How well do the first response pregnancy tests work ?

Home Pregnancy Test: They are very accurate. They are the same type of tests that are used in the doctors office ...Read more

Dr. Mark Pack
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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How long does it take after your first missed period for over-the-counter pregnancy tests to give an accurate result?

How long does it take after your first missed period for over-the-counter pregnancy tests to give an accurate result?

See Below: Home pregnancy tests can show positive as early as 3-4 days after implantation. Implantation generally occurs 6-12 days after ovulation. So if the egg was fertilized right at ovulation and you used the most sensitive home test it could be positive at 9 days. On average it is 13-14 days after fertilization/ovulation when it is positive. So, we recommend about 5-6 days after your period is missed. ...Read more

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How long does it take the 10,000 hCG trigger shot to leave your system befor I can take a first response pregnancy test?

How long does it take the 10,000 hCG trigger shot to leave your system befor I can take a first response pregnancy test?

HCG: 10,000 units: The 10,000 units of HCG will stimulate ovulation, and will remain in your system for 7-10 days at least. If you do not have a period in three weeks after the shot, obtain a "quantitative" serum HCG test, and if elevated at that time will be positive for pregnancy. ...Read more

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When is the best time to take a pregnancy test after ovulation or missed periods how long does itt take for the results ?

When is the best time to take a pregnancy test after ovulation or missed periods how long does itt take for the results ?

HPT vs OPK: Home pregnancy tests are meant to tell you whether you're pregnant or not. As always, they need to be used as directed so follow the instructions closely (w/answers in minutes). They're best when used after you've missed your period, in other words, 4 weeks after your last menstrual period. Ovulation prediction kits, on the other hand, are used to determine when you're ovulating, not pregnant. ...Read more

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How long does it take after conception for an at home pregnancy test to read positive?

How long does it take after conception for an at home pregnancy test to read positive?

HCG testing : After conception the fertilized egg travels for about 5 days, down the fallopian tubes, before implanting in the uterus.During this time tests will be negative .After implantation begins, at about 10 days post conception( fertilization) urine tests start turning positive.Serum blood test may be positive 1-3 days before a urine test. Good luck ...Read more

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Can you take a pregnancy test right after sex? Will it affect the results

Can you take a pregnancy test right after sex? Will it affect the results

You can: You don't get pregnant right after sex. A sperm has to meet an egg at some point in the tub and that must implant in the uterine lining to create the hormones registered on a pregnancy test. At least a week or two. ...Read more

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How long after the point of conception does it take for a pregnancy test to detect it?

How long after the point of conception does it take for a pregnancy test to detect it?

9-12 days: Pregnancy tests, which detect the presence of HCG (human chorionic gonadotropin), in your urine, are generally able to tell you if you're pregnant between 9-12 days after conception. That's the point at which the HCG concentration in your pee is high enough to be detected by the test. For some women, however, it can take slightly longer to detect a pregnancy. ...Read more

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When is the best time to start an ovulation test kit and for how long should I test? What if none of the test are positive?

When is the best time to start an ovulation test kit and for how long should I test? What if none of the test are positive?

Depends: It really depends on the frequency of your periods. If they are about every 28 days, you can start testing on day 10 of your cycle. The kits usually come with detailed instructions. ...Read more

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How long after having sex does a pregnancy test give the correct response?

How long after having sex does a pregnancy test give the correct response?

A standard home : Pregnancy test can usually detect pregnancy at the time a period is missed. First response early result pregnancy test is reported to detect HCG up to 6 days prior to your anticipated period. If you have a negative pregnancy test and your period still hasn't come - then repeat the test in a week using a first morning void. ...Read more

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How long after ovulation does it take for a pregnancy test to show positive?

How long after ovulation does it take for a pregnancy test to show positive?

11-12 days: after a certain ovulation a home test will be accurate. Since most women are not 100% certain of the day they ovulate, waiting 13-14 days for a missed period is sometimes more efficient. Good wishes. ...Read more

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How soon can a pregnancy show in blood test if i know the ovulation timing ?

How soon can a pregnancy show in blood test if i know the ovulation timing ?

Usually 1-2 weeks: These tests are fairly reliable at this time period but better within the first 3-4 weeks. Knowledge of ovulation timing probably does not factor into determining the effectiveness of the test. ...Read more

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How long after missed period does the pregnancy hormone take for it to be detected on at home pregnancy test?

How long after missed period does the  pregnancy hormone take for it to be detected on at home pregnancy test?

1-5 days: 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. A negative result from a test done too soon is not reliable. ...Read more

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How long does it take to show up positive on a pregnancy test?

How long does it take to show up positive on a pregnancy test?

See below: 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. Please seek care from a doctor to protect your and your baby's health. ...Read more

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What is the expiration time for first response pregnancy test?

What is the expiration time for first response pregnancy test?

Read the label: Each test kit package lists the expiration date which depends on the date of manufacture. If you have lost the package, check with the manufacturer but they will need the lot number. ...Read more

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I have white flake in my urine this morning is the sysptom of pregnancy i did the first response pregnancy test but it comes negative?

I have white flake in my urine this morning is the sysptom of pregnancy i did the first response pregnancy test but it comes negative?

Probably not PG: If the PG test is negative, it is probable that you are not pregnant. Repeat the pregnancy test and if still negative then you have your answer. ...Read more

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Just took the First Response pregnancy test by drinking a lot of powerade and peeing. will that make it inaccurate?

Just took the First Response pregnancy test by drinking a lot of powerade and peeing. will that make it inaccurate?

May be: Did you miss a period? Did you have unprotected sex after the last period? If you missed your period by more than 5 days, do the home pregnancy test by using first morning urine. Follow the instructions for the test carefully. ...Read more

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Can a first response pregnancy test be wrong sometimes?

FIRST RESPONSE Early: Esult pregnancy test is reported to detect HCG up to 6 days prior to your anticipated period. If your HCG level is not high enough - then you will not get a + result (even though you may be pregnant). In that situation you can repeat in a week using your first morning void. Take care. ...Read more

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What is the expiration time for first response pregnancy test?

Read the label: Each test kit package lists the expiration date which depends on the date of manufacture. If you have lost the package, check with the manufacturer but they will need the lot number. ...Read more

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What does a question mark on a first response pregnancy test mean?

FIRST RESPONSE Early: Result pregnancy test is reported to detect HCG up to 6 days prior to your anticipated period. A certain amount of HCG is required to trigger a + result for the test. A ? Means that the threshold was not met. Recommend you repeat in a week with the first morning void. ...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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Which is control line and which is test line on first response pregnancy test?

Agree w Dr. Singh: A really easy way to remember this is that 2 lines =pregnant . One line = not pregnant. ...Read more

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I took a first response pregnancy test and a question mark showed up. What does that mean?

FIRST RESPONSE Early: Result pregnancy test is reported to detect HCG up to 6 days prior to your anticipated period. A certain amount of HCG is required to trigger a + result for the test. A ? Means that the threshold was not met. Recommend you repeat in a week with the first morning void. ...Read more

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Does it matter what time you take a first response pregnancy test or should you wait until morning?

Does it matter what time you take a first response pregnancy test or should you wait until morning?

Home Pregnancy: Tests are best done with the first morning urine as it is more concentrated and is more likely to have a higher concentration of HCG. That being said, you could take the test anytime. If it is positive, yippee. If negative, then recheck with first morning. ...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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My girlfriend took a first response pregnancy test just three days after. One dark line but other was only visible in certain lights. Is she pregnant?

3 days after?: Do you mean 3 days after sex? Way too early to tell. If she really has a positive test 3 days after sex then she got pregnant the month before. Or do you mean 3 days late on period? ...Read more

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If I take a first response pregnancy test 3 weeks after sex, can I be sure its accurate?

If I take a first response pregnancy test 3 weeks after sex, can I be sure its accurate?

More or less: If you do the test correctly, the results are likely to be accurate if the result is positive. If it is negative, you should 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 two first response pregnancy test four days before my expected cycle. Is it safe to consider them accurate?

FIRST RESPONSE Early: Result pregnancy test is reported to detect HCG up to 6 days prior to your anticipated period. If you had 2 positive tests - that should be accurate. If you had negative test results then consider waiting until you miss your period before repeating (and use first morning void). ...Read more

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How soon after sex can I take a first response pregnancy test? How soon can I take a pregnancy test other than this kind?

FIRST RESPONSE Early: Result pregnancy test  is reported to detect HCG up to 6 days before your anticipated period. Standard home pregnancy tests are usually used once a period is missed or thereafter. ...Read more

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Will a First Response pregnancy test give an accurate result about 5-6 weeks after sex? Even if I took it in the evening.

Will a First Response pregnancy test give an accurate result about 5-6 weeks after sex? Even if I took it in the evening.

Pregnancy test: Accuracy of pregnancy test is related to the day of ovulation. The average menstrual cycle is 28 days. Testing after 5 to 6 weeks will give an accurate result. Accuracy is better in the morning when the urine is most concentrated. ...Read more

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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