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Doctor insights on: Can You Tell If Your Pregnant From A Blood Test

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Can a blood test tell if your pregnant 8 days before your missed period?

Can a blood test tell if your pregnant 8 days before your missed period?

Serum HCG: A serum pregnancy test tests can detect a pregnancy 7-12 days since conception. ...Read more

Dr. Heidi Fowler
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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Can you tell me if throughout pregnancy, what diseases can be detected with a blood test?

Can you tell me if throughout pregnancy, what diseases can be detected with a blood test?

Too many: New Genetic tests can detect more diseases than you can imagine. Just tell your doctor that you want to be tested for every disease that a test is available. ...Read more

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How soon after unprotected sex can a blood test tell if you are pregnant?

How soon after unprotected sex can a blood test tell if you are pregnant?

It depends: This can vary quite a bit depending on one's menstrual cycle. But typically you can determine if you are pregnant the first day after your missed period. ...Read more

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How soon can a blood test tell when a women pregnant. I took test at home all neg. But one postive so happy then there was neg test?

1 wk after ovulation: Blood tests can pick up HCG earlier in a pregnancy than urine tests can. Blood tests can tell if you are pregnant about six to eight days after you ovulate (or release an egg from an ovary). ...Read more

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I can tell that I'm pregnant and the home tests said I am pregnant, but no one will give me a blood test or ultrasound to be sure what should I do?

I can tell that I'm pregnant and the home tests said I am pregnant, but no one will give me a blood test or ultrasound to be sure what should I do?

I am not sure how: Far along you are in your pregnancy. Many practices recommend your first OB appointment at a particular week of pregnancy. Were you looking for services covered by your insurance agency? Self pay? Home pregnancy tests are very accurate when done correctly. ...Read more

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Can a blood test from your gyn tell your if your pregnant before a at home test?

Can a blood test from your gyn tell your if your pregnant before a at home test?

Not really.: Far away and many years ago urine from a woman who might be pregnant was given to a rabbit. The rabbit was sacrificed, her ovarys were examined and if the rabbit had ovulated the woman was pregnant. Now rabbits are safe. We now use antibodies to hcg. The same test is done by you and the doctor. ...Read more

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What color is ur cervix if u are pregnant? Can drs tell if u you are pregnant? If so how? If they don't do a urine/blood test.

In the days before: Pregnancy test were so easy to use and available, doctors suspected pregnancy if the cervix had a blue coloration. However we have much more accurate ways of telling now, namely a quick urine pregnancy test. ...Read more

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Can a blood test tell you if your pregnant after having unprotected sex 2 weeks later encore a pregnancy test can tell you if positive?

Yes: A blood pregnancy test would usually be positive 2 weeks after unprotected intercourse if conception occurred. ...Read more

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Can a blood test tell you that you are pregnant when u because a friend of mind is pregnant but the ultrasound is not picking up a heartbeat 9weeks?

Blood test can tell: You that you are pregnant. Measuring the hormone in the blood (hcg) may tell how far along. But by 9 weeks there should be a heart beat. A detailed ultrasound is needed to take a "look" at what is going on. ...Read more

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I had hCG blood test and it was a negative after 1 month of sex... How valid are blood tests? Can they ever tell me that I'm not pregnant when I'm not

Time & technique: Both urine and blood tests for HCG are very accurate in measuring hcg. It is better to do either test 4-5 days after a missed period. Negative pregnancy test done after one month of the last episode of sex is a good indication that the person is not pregnant. You should repeat the test 7-10 days later for an added measure. ...Read more

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Home prega test is showing positive pls tell me which blood test should be done to see accurate results pregnancy results. Periods are delay by 4 days?

HCG: Blood test for quantitative measurement of beta HCG is useful for confirmation of pregnancy. If you did the test correctly and the urine test is positive after a missed period, your are more than likely pregnant. Your profile says you are a 33 year male, I trust you asking for a female. ...Read more

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Hi, I just had my pregnancy test whichshowed positive. My blood test showed hormone level 291 bt after 3 days it went down to 26 coz I was bleeding. I m waiting for my next blood test. Now its my 5 weeks. Can u plz tell me wats happening with me?

Hi, I just had my pregnancy test whichshowed positive. My blood test showed hormone level 291 bt after 3 days it went down to 26 coz I was bleeding. I m waiting for my next blood test. Now its my 5 weeks. Can u plz tell me wats happening with me?

Dropping hcg: If your hcg is really dropping then you don't have a viable pregnancy. It should go up by at least 15% every 3-4 days. However, in case it was a lab error, I would repeat the hcg a few days after that 26 to confirm it did indeed drop. This sounds like a miscarriage. ...Read more

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My period hasn't been on in 3 months and I've taken 2 pregnancy test and a blood test. Can you tell me what can be going on?

My period hasn't been on in 3 months and I've taken 2 pregnancy test and a blood test. Can you tell me what can be going on?

Please see GYN.: Reasons for missed/late periods: low body weight, obesity, marked weight ^ or v, over-exercise, endurance athletics, breast-feeding, ^ stress, illness, eating disorders (bulimia or anorexia), anovulatory cycle (no egg released), travel, hormone irregularities, drug use, meds (i.e., birth control) or medical problems. #1 reason is pregnancy. ...Read more

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Preg tests say I'm pregnant but having regular period. Will blood test tell me for sure or read a miscarriage? When can I know for sure?

Preg tests say I'm pregnant but having regular period. Will blood test tell me for sure or read a miscarriage? When can I know for sure?

One can wait a week: Because a woman cannot have her normal regular period and also be pregnant at the same time, either she is not pregnant or the bleeding is not her regular period. The simplest way to figure this out is to repeat a home pregnancy test after 1 or 2 weeks. There is usually no urgency, but if one must know sooner, one can get 2 blood tests a few days apart to see if her HCG level is rising or falling. ...Read more

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How to find out if your pregnant? My girlfriend feels pregnant and her belly is getting bigger but the urine and blood test come back negative. We have been trying for a baby for 2 months now and can't tell what's going on?

How to find out if your pregnant? My girlfriend feels pregnant and her belly is getting bigger but the urine and blood test come back negative. We have been trying for a baby for 2 months now and can't tell what's going on?

It: It is prudent to involve your doctor in your journey to get pregnant. Your doctor can recommend prenatal care and supplements as well as assistance in predicting a woman's most fertile times of the month to help increase your chances of conceiving.
In the meantime, if your girlfriend has had a negative urine and blood test for the pregnancy hormone, then the pregnancy hormone was not detected. The pregnancy hormone can be detected in the urine 14 days after conception. If your girlfriend is pregnant, she will experience a missed period. Again, get your doctor involved in this journey to ensure your girlfriend's body is ready for this journey with the proper prenatal care. ...Read more

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If I got a blood test for issues with my thyroid and I was pregnant, would the doctor tell me that I am pregnant?

If I got a blood test for issues with my thyroid and I was pregnant, would the doctor tell me that I am pregnant?

Probably not: Thyroid testing says nothing about pregnancy. Your doctor would know you are pregnant only if you tell her, or you are showing, or with a positive pregnancy test. ...Read more

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I have already had a period, but I am spotting a week before my next period is due. Negative pregnancy test. Can a blood test tell if pregnant now?

I have already had a period, but I am spotting a week before my next period is due. Negative pregnancy test. Can a blood test tell if pregnant now?

Yes.: Spotting a week before your period is due suggests that you didn't ovulate lately. If you haven't missed a period, spotting is usually not due to pregnancy. If a urine test (first morning urine) is negative, a blood test will generally be negative also. ...Read more

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Hello. Does a blood test detect sooner than a urine test? Since PMS & pregnancy share same symptoms I can't tell. I'm 47 & on hormone supplementation, phentermine, bupropion & other meds. Period due in 9 days. Have had ectopic pregnancy & miscarriages &

Hello. Does a blood test detect sooner than a urine test? Since PMS & pregnancy share same symptoms I can't tell. I'm 47 & on hormone supplementation, phentermine, bupropion & other meds. Period due in 9 days. Have had ectopic pregnancy & miscarriages &

A serum HCG might: Detect pregnancy a few days sooner than a urine HCG, but, by the time you get to a doctor to have it drawn and then wait for the results, you might as well do a home urine pregnancy test. If you do the test right after you wake up (when the urine is most concentrated) it's quite accurate. You can do the test as soon as 7 days from today. ...Read more

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Will a blood test show if I'm pregnant?

Will a blood test show if I'm pregnant?

Pregnancy Testing: Yes, but only if the right number of days past intercourse have passed allowing the fetus to implant on the wall of the uterus. ...Read more

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How soon can a blood test show you are pregnant?

How soon can a blood test show you are pregnant?

Varies: Within several days of conception, certainly within 2 weeks your body begins to produce enough of the hormone we test for to know that you have conceived. At that point other tests as well as passage of time are needed to confirm whether the pregnancy is normal and viable. ...Read more

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How can I take a blood test while im still pregnant?

How can I take a blood test while im still pregnant?

Yes, of course: Having your blood drawn during pregnancy is quite safe. I would not recommend attempting to donate a large amount of blood, though. ...Read more

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When can I find out if am pregnant with a blood test?

3-4 weeks: It depends on which blood test is utilized. Quantitative or qualitative analysis. The most sensitive tests are able to reliably detect a pregnancy around 3 weeks from your menses. ...Read more

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How can I know if I'm pregnant without taking a blood test?

How can I know if I'm pregnant without taking a blood test?

Urine test: These are available without a prescription and are very popular. I hope you get the result you want. ...Read more

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How early can I get a blood test done to see if I'm pregnant...

3-4 wks after period: A blood pregnancy test can be positive as soon as 10 days after fertilization. This is usually just before your period is due or soon after. A urine test done first thing in the morning will become positive about the same time. ...Read more

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Is it possible that I am pregnant even after a false blood test?

If the blood: Was done too early it could be neg and u could be +, the blood will be + a few days before your period and definetly at tehetime of the missed period. ...Read more

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What if u do a blood test and its negative but u feelin pregnant?

Wait and repeat it: Best advice is to wait 1-4 weeks and then repeat it. If it is still negative you might consider seeing a doctor. There are different kinds of pregancy tests, and doctors can do qualitative tests that give a 'level' of the pregnancy hormone and not just a positive or negative result. Many women do skip periods at times. Some women have early miscarriages before they really know their pregnant. ...Read more

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I'm four months late. Can I be pregnant with a negative blood test?

I'm four months late. Can I be pregnant with a negative blood test?

Need sonogram: Remote possibility you need to rule out other causes. You may need a sonogram as the first step. ...Read more

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What kind of blood test do I take to check if I'm pregnant or not?

What kind of blood test do I take to check if I'm pregnant or not?

HCG: He new urine pregnancy tests are about as good as blood The blood maybe able to determine the days of pregnancy. The test measure HCH levels ...Read more

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Is it possible to be pregnant and still get a negative blood test?

No: If a reliable pregnancy test is negative, then you are not pregnant. For me, reliable means a blood pregnancy test. ...Read more

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My blood test came negative but I still feel pregnant. What shall I do?

My blood test came negative but I still feel pregnant. What shall I do?

Possible: If you have been pregnant and know the signs and symptoms, you may be more accurate than an early test. False negatives are possible.
Recheck, or see obgyn to check ultrasound. ...Read more