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Pregnancy Tests

Ask questions here about how to take pregnancy tests properly, when to take them, how to determine unclear results and more.

5,062 Questions

If your period came on the November 25 for one day and came back on November 29 could the person be pregnant?

Maybe. It sounds awkward in order for a person to be pregnant she would have to have her period every month and all the time. Plus there is the danger of having sex.

Which test must be performed on whole blood-?

Venipuncture is the test that must be performed on the whole blood.

Does pregnancy test or any other test can tellhow many times a woman have been pregnant?

No. There is no test that shows how many times a woman has been pregnant. If you want to know you should ask her but it is up to her if she wishes to keep that information private.

Whats mIU stand for when dealing with pregnancy test does it mean the higher it is the more acurate it is?

mIU means "million International Units". It is a standard unit of measure often seen in medical/pharmacological applications. Generally, seeing this in relation to pregnancy tests, it's often something about how much hormone is in a urine or blood sample. Nowadays a urine test can detect hcg when it has reached a level of between 25-50 "parts per million (international units)".

If you think about it like tiny microscopic little drops, then you could think of it as: if the sample taken (or absorbed) equals a million microscopic drops---then 45 of those drops are hcg and the rest is just regular urine waste. Well that would be a strong enough concentration for a lot of tests to detect it.

So if one says it can detect at 25 and the other says it can detect at 100, then the one that says 25 is much more sensitive and can detect hcg sooner. Hope that makes sense. It's just all about concentration levels of hormones. :-)

You missed your period in November But you had a period in December What does thins mean?

This means nothing apart from you had a episode of a irregular period which caused you to skip your cycle.

If three urine test say that you are pregnant and a blood test says you are not what should you do and what else would cause three positive urine tests besides being pregnant?

You should talk to your doctor about that. I don't know of any reasons why three tests in a row would be wrong. If they are all three from the same box, then maybe they were all contaminated somehow. Or if they were a super cheap kind, they may not work properly. I really can't say, but you should talk to your doctor and get more answers from them.

Why is the blood value low in the blood pregnancy test?

Hi, In the Quantiative Beta HCG blood pregnancy test, the value of HCG that the tests looks for before you get a positive, is low because it determines and confirms pregnancy very early. If you have low HCG in your blood test result, this may means several things. * Your not as far along as you thought you was. * Your at risk of miscarriage. In the case of risk of miscarriage, the doctors usually repeat the blood test within 48 hours to see if HCG levels have decreased or increased.

How many days can you wait to reply to invitation?

its courtesy to reply as soon as possible so that you may be catered for. Last minute acceptance is seen as bad manners

How are monoclonal antibodies used in home pregnancy kits?

During pregnancy a hormone called HCG (Human Chorionic Gonadotrophin is release,this hormone is detected by a special chemical called Monoclonal antibodies what this monoclonal antibodies does is attaches itself to the to the HCG hormone forming a colored band which indicates whether or not a woman is pregnant.

Can you be pregnant i'm late for your period for 2 ks you took a few pregnancy test they show its negative you took a blood pregnancy test came back light positive took a 2nd blood test came nega?

A negative test could also be the result of a phantom pregnancy. A phantom pregnancy is where you basically fool your mind and body into thinking it is pregnant. You will still experience pregnancy symptoms but you are not actually pregnant; it is al psychological Some women have even been able to lactate during a phantom pregnacny. The causes of a phantom pregnancy are either paranoia of being pregnant or having an extreme desire to become pregnant. There are several things that can contribute to a negative pregnancy test even if you are pregnant. Some medications can give you a false negative, the timing of the test can affect the results. If you did not follow directions properly; if you let the test sit for too long the results may read negative after a while. It is important to read the results within the amount of time given on the instructions of that particular pregnancy test you bought. If you did not perform the test properly (example: you drank a lot of fluids before taking the test, which can dilute your urine). Etc.On rare occasions you can encounter a false positive due to improper testing, expired pregnancy tests, rare medical conditions such as certain types of cancer, evaporation lines, a recent pregnancy or a chemical pregnancy. To ensure the best results: Take the test in the morning, if possible, because your hCG (pregnancy hormone) levels are at it's highest Don't drink a bunch of fluids before taking the test because it will dilute your urine and can affect the results Take the test no more than 1 day before expected period. Although some test say that you can see results up to 5 days before your missed period, the percentage of accuracy is very low. urinate for as long as possible on the foam-like strip Check the results in the window frame of time suggested by the instructions of the pregnancy test. .

What does hCG mean?

'Hcg' means hormone produced early in pregnancy by the placenta; detection in the urine and serum is the basis for one kind of pregnancy test

You took two pregnancy test and both say positive and lately you been having mild pain in your lower stomach could this be an infection or your pregnant and you not really late yet with your period?

If you had two positive pregnancy tests, then you are more than likely pregnant. Your body produces a hormone when you are pregnant that is only present during pregnancy thus showing positive tests. You should see your doctor about the pain, you could have something else going on. Pain is the body's way of telling you something isn't right and it shouldn't be ignored especially if you are pregnant. You are probably pregnant. On rare occasions you can encounter a false positive due to improper testing, expired pregnancy tests, rare medical conditions such as certain types of cancer, evaporation lines, a recent pregnancy or a chemical pregnancy.

What does it mean when you are three weeks late and your period is light and you have had six negative pregnancy tests?

IT MEANS ITS TIME TO GO TO A DOCTOR. YOUR HEALTH AND THAT OF POSSIBLY YOUR BABY IS NOTHING TO WAIT AND SEE ABOUT. IF YOU CANT AFFORD A DOCTOR GO DOWN TO YOUR LOCAL HEALTH DEPARTMENT AND THEY CAN HELP YOU OUT.

Why would breast milk cause a home pregnancy test to come out positive yet urine caused a negative result?

"Unfortunately breast milk cannot be used to perform a pregnancy test. Breast milk does not occur until after the birth of the baby. Colostrum is the clear or milk coloured discharge from the nipples. This can also be a indication of too much progesterone, milk duct infection or a hormonal imbalance when its not pregnancy related. Breast milk does not contain HCG. The best method of testing is a blood test." If you are nursing, hcg can leak into breastmilk like it does into urine. It might leak into breastmilk first, and thus not enough be in the urine to show on a hpt. Now, as hpt's aren't designed to be used with breastmilk, it may also be a funky false positive...I would recommend getting a blood test. (I'm in the same boat...)

How long before test should you take instant body cleanser?

If you're interested in the health of the baby(and your own health), you should wait until you've missed a period, then take the at home test. If it's negative but you still feel that you are pregnant, try again or get a blood test.

How do you test for the presence of iodine?

Testing for Iodide, I-

Sodium iodide, NaI, is the source of iodide anion for this experiment.

Reaction with bleach involves three steps. The brown color shows the presence of I3- ions.

Hypochlorite ion yields chlorine:

OCl- (aq) + Cl- (aq) + H2O

Cl2 (aq) + 2 OH-

Chlorine reacts with iodide anion:

Cl2 (aq) + 2 I- (aq)

I2 (aq) + 2 Cl- (aq)

Triiodide ion is formed:

I2 (aq) + I- (aq) I3- (aq)

Starch reacts with iodine and iodide to form a characteristic blue/black complex. A corn starch packing peanut is shown here.

Silver ion reacts with iodide to form silver iodide, AgI.

Ag+ (aq) + I- (aq) AgI (s)

Reaction of iodide with sulfuric acid produces hydrogen sulfide gas and brown triiodide solution in a series of reactions:

I- (aq) + H2SO4 (aq) HI (aq) + HSO4- (aq)

8 HI + H2SO4 (aq) H2S (g) + 4 I2 (aq) + 4 H2O

I2 (aq) + I- (aq) I3- (aq)

Again, starch is used to confirm the presence of iodine and iodide.

Can you be pregnant after giving birth7 weeks ago and a test was negative and still haven't had a period only a mild spotting?

You can get pregnant 7 weeks after giving birth. Highly unlikely! In most women who are nursing, periods can take a few months to come back regularly. Mild spotting is normal. Once your spotting stops, however, you can get pregnant even without a normal period. Be carefull, womens bodies don't usually recover from pregnancy and birth for about 1.5 - 2 years.

Why do older kids take less time to take a stroop test?

I know that younger kids are supposed to take less time on the stroop test, especially the ones that cannot read. This is because they know their colors, but not the words. For older people, reading is an automatic process, while color naming is a control process.

What do you do if you are on Depo-Provera with ovarian cysts and a pregnancy test came back negative?

Hello - DEPO should protect you against pregnancy and because you have ovarian cysts...Im guesing PCOS?...it may be slighty harder for you to conceive as well. When a pregnancy test is negative it usually means you aren't pregnant hun providing you haven't done the test too soon. Personally I would see your doctor for a blood test so you know without a doubt if you're pregnant or not. Take care.

Are really cheap pregnancy tests accurate?

It does not matter what type of pregnancy test you take. They are all the same. But if you think that you are pregnant and your test turns out to be negative, i would go and see your doctor as soon as possible. Walmart has pregacy test that are $5.00 ad work really well.

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