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Doctor insights on: How Soon After Conception Will A Pregnancy Test Show Positive

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How soon after conception will a pregnancy test show up positive?

How soon after conception will a pregnancy test show up positive?

Pregnancy Testing: Ten to fourteen days after conception, not after sex. It takes one to five days to conceive after sex. Please do not test until you miss a period. The morning after the first day of a missed period is the ideal time to test. ...Read more

Dr. Bernard Seif
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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Would a pregnancy test show positive 72 hours after conception/intercourse?

Would a pregnancy test show positive 72 hours after conception/intercourse?

No and Yes: No, a pregnancy test won't show a real positive 72 hours after conception, because there is no bHCG from the embryo in the mother's blood or urine yet. Yes, a pregnancy test can show a real positive 72 hours after intercourse, if the woman had already conceived >2 weeks earlier, and just happens to be having more intercourse (as is normally done in life). A false positive is rare, but can happen. ...Read more

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How soon after conception can uterine changes be felt via pelvic exam & how early after conception can a pregnancy test show positive results?

How soon after conception can uterine changes be felt via pelvic exam & how early after conception can a pregnancy test show positive results?

10 days: A blood pregnancy test is the most accurate type of pregnancy test. It can detect a pregnancy as early as 10 days after conception. A urine pregnancy test is reliable after you miss a period. Uterine changes take longer and depending on who is doing he exam may be felt at 10-12 weeks after conception. Best wishes! ...Read more

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Pregnancy test - if I have sex and conception happens, when after the sex act will the test show positive results? (days, weeks?)

Pregnancy test - if I have sex and conception happens, when after the sex act will the test show positive results? (days, weeks?)

2 weeks: If you have sex near the time of ovulation and you get pregnant your pregnancy test should be positive about 2 weeks later. ...Read more

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I made a pregnancy test after 2 days of conseption it s early to show positive?

I made a pregnancy test after 2 days of conseption it s early to show positive?

Yes. Too early: You should do the home test 4-5 days after a missed period. Use first morning urine and follow the instructions in the kit carefully. ...Read more

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Can you take a pregnancy test long after conception? Will you still get a positive result?

Can you take a pregnancy test long after conception? Will you still get a positive result?

10 -14 days: Home pregnancy tests are very accurate. They are the same tests used in a doctors office. They can detect a pregnancy 7-10 days after conception. The best time to take one is when you miss your period. If you doubt the result you can repeat it in 1-2 days. If you were pregnant the hormone level would rise enough for detection. ...Read more

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How soon can you get a positive pregnancy test after conception?

How soon can you get a positive pregnancy test after conception?

10 - 14days: With sensitive quantitative blood tests, the test can start to be positive at 10 days and always by 14days after conception. The problem is knowing when conception is in most cases. Urine tests start showing positive at 13-14days and most would be positive at 18days. ...Read more

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Conception was about 3 days ago and my girlfriends showing signs of being pregnant also she took a pregnancy test and it was positive is it too soon?

Conception was about 3 days ago and my girlfriends showing signs of being pregnant also she took a pregnancy test and it was positive is it too soon?

Earlier than that: If a pregnancy test is positive it would be w-a-y to soon 3 days after conception: she got pregnant earlier than 3 days ago, at least 11-12 days before, theoretically maybe longer than that. When was her last normal period? Good wishes. ...Read more

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My girlfriend took a pregnancy test three days after conception and it says positive with a very faint line should we trust it that early? No kid please

My girlfriend took a pregnancy test three days after conception and it says positive with a very faint line should we trust it that early? No kid please

Maybe, maybe not: These tests can be misinterpreted, false positive or false negative. They are more likely to be false negative early on then false positive, but interpreting what is thought to be a faint color change is not definitive either. I would repeat the test with a standard brand hpt, not the dollar store variety, & if concerns remain have the blood test run. ...Read more

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Lmp was 2/11/15-2/15/15 I had sex on 2/20 & 2/21 I tested positive on pregnancy test on 3/9/15 how far am I and what is my posissble conception date?

Lmp was 2/11/15-2/15/15 I had sex on 2/20 & 2/21 I tested positive on pregnancy test on 3/9/15 how far am I and what is my posissble conception date?

20 or 21, about 5 wks: You could have conceived either the 20 or21st. You are about 5weeks along. We date pregnancies from the Lmp. ...Read more

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Can a home pregnancy test be positive 3 days after conception?

Can a home pregnancy test be positive 3 days after conception?

No: That would be much too soon, if we define conception as the moment the sperm meets the egg, leading to successful implantation of the embryo in the uterus. The home pregnancy test detects HCG in the urine, which means the HCG is coming from the location of the implanted embryo in the uterus. This means test is positive some time after implantation. ...Read more

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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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How soon after conception can you get a positive home pregnancy test by urine?

How soon after conception can you get a positive home pregnancy test by urine?

+ home preg test: Depending upon the test approx. 12 days to two weeks after ovulation, or around the time of your expected menses. ...Read more

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Can you be 2 months pregnant with two false pregnancy test from the hospital around the time of conception and then 4 positive tests the next month?

Can you be 2 months pregnant with two false pregnancy test from the hospital around the time of conception and then 4 positive tests the next month?

Possible: A test may be negative if done too soon after conception.
Conception, as defined by the generation of a fertilized ovum, occurs within day or so of the sex. However, it takes about 2-3 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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Done a clear blue pregnancy test 5days ago said positive with 2-3 weeks conception date. Done another this morning first sample now says1-2 weeks? Hcg

Done a clear blue pregnancy test 5days ago said positive with 2-3 weeks conception date. Done another this morning first sample now says1-2 weeks? Hcg

Biochemical Pregnanc: If the test was positive and now lower, it is likely you had a biochemical pregnancy. This may mean that the pregnancy was not normal and would not result in you having a baby. Your body eliminated the tissue. This happens more often than we realize. Still, if it happens to you on more than 2 occasions, it suggests that there may be something else going on and you should talk to your doctor. ...Read more

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I have taken a pregnancy test which shows I am 1-2 weeks pregnant, what is my conception date? My last period was end of september 2013

I have taken a pregnancy test which shows I am 1-2 weeks pregnant, what is my conception date? My last period was end of september 2013

Conception: Pregnancy tests do not show you 'how far along' you are. Do you have a more reliable date your last period started? How regular are your cycles? ...Read more

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I took a pregnancy test 5 days after conception and it came back positive. MY period started the day after conception.

I took a pregnancy test 5 days after conception and it came back positive. MY period started the day after conception.

Confusing yes: If that was a home pregnancy test one of three things are possible. First the test was false pos (least likely). Second, you have been pregnant since the prior cycle and third, your thought about conception time is wrong. Even with a twin pregnancy, the first time a test could be positive would be 11-13 days after conception. The bleeding is often confusing but likely not a regular period. ...Read more

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Had a d&c 7 weeks ago, got a negative pregnancy test 11 days after, got 1st period lasting 4 days 12 days ago, but am now getting 5 positive tests clear blue says 2-3 weeks since conception? Confused

Had a d&c 7 weeks ago, got a negative pregnancy test 11 days after, got 1st period lasting 4 days 12 days ago, but am now getting 5 positive tests clear blue says 2-3 weeks since conception? Confused

See your Doc: One of two possibilities. One is you are pregnant again, second is that the D&C did not completely remove all the tissue in the uterus that gives you a positive pregnancy test.

See you ob/gyn asap. ...Read more

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If conception date was 2/28/2015 how far along would I be now? I didn't miss my period on 3/12/2015, but took a positive pregnancy test this morning

If conception date was 2/28/2015 how far along would I be now? I didn't miss my period on 3/12/2015, but took a positive pregnancy test this morning

Last period?: Pregnancies are not dated from when you think you conceived but from the day the last normal menstrual period started. Assuming you did conceive on Feb. 28th you'd be close to 4 weeks 5 days today (3/19/15.) Good wishes. ...Read more

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If I took a pregnancy test 12 days after conception and 11 days before my period, will it show? There was no intercourse, semen touched my vagina only

If I took a pregnancy test 12 days after conception and 11 days before my period, will it show? There was no intercourse, semen touched my vagina only

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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How soon after conception will a pregnancy test?

How soon after conception will a pregnancy test?

Urine or blood: A home pregnancy test works as soon as you are miss your period (maybe 2 days prior). You can have a positive blood test for pregnancy a week after you've conceived, or a week before your period is due. ...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


Conception (Definition)

Conception is the union of an egg and sperm to form a zygote. The zygote is what ...Read more