can a pregnancy test be wrong?

Question

i took the pregnancy test this morning and it said not pregnant... my last period was on oct. 28... the last few weeks i been tired, feeling kinda sick and i have to pee more often. so could the test be wrong?

Answer 1

Yes it could, keep watch for some symptoms of pregnancy, check them and then see your doctor

Tender, swollen breasts
One of the early signs of pregnancy is sensitive, sore breasts caused by increasing levels of hormones. The soreness may feel like an exaggerated version of how your breasts feel before your period. Your discomfort should diminish significantly after the first trimester, as your body adjusts to the hormonal changes.

Fatigue
Feeling tired all of a sudden? No, make that exhausted. No one knows for sure what causes early pregnancy fatigue, but it's possible that rapidly increasing levels of the hormone progesterone are contributing to your sleepiness.

You should start to feel more energetic once you hit your second trimester, although fatigue usually returns late in pregnancy when you're carrying around a lot more weight and some of the common discomforts of pregnancy make it more difficult to get a good night's sleep

Nausea or vomiting
If you're like most women, morning sickness won't hit until about a month after conception. (A lucky few escape it altogether.) But some women do start to feel queasy a bit earlier. And not just in the morning, either — pregnancy-related nausea and vomiting can be a problem morning, noon, or night.

About half of women with nausea feel complete relief by the beginning of the second trimester. For most others it takes another month or so for the queasiness to ease up.

Increased sensitivity to odors
If you're newly pregnant, it's not uncommon to feel repelled by the smell of a bologna sandwich or cup of coffee and for certain aromas to trigger your gag reflex. Though no one knows for sure, this may be a side effect of rapidly increasing amounts of estrogen in your system. You may also find that certain foods you used to enjoy are suddenly completely repulsive to you.

Abdominal bloating
Hormonal changes in early pregnancy may leave you feeling bloated, similar to the feeling some women have just before their period arrives. That's why your clothes may feel snugger than usual at the waistline, even early on when your uterus is still quite small.

Frequent urination
Shortly after you become pregnant, you may find yourself hurrying to the bathroom all the time. Why? Mostly because during pregnancy the amount of blood and other fluids in your body increases, which leads to extra fluid being processed by your kidneys and ending up in your bladder.

This symptom may start as early as six weeks into your first trimester and continue or worsen as your pregnancy progresses and your growing baby exerts more pressure on your bladder.

A missed period
If you're usually pretty regular and your period doesn't arrive on time, you'll probably take a pregnancy test long before you notice any of the above symptoms. But if you're not regular or you're not keeping track of your cycle, nausea and breast tenderness and extra trips to the bathroom may signal pregnancy before you realize you didn't get your period.

Your basal body temperature stays high
If you've been charting your basal body temperature and you see that your temperature has stayed elevated for 18 days in a row, you're probably pregnant

Good luck.

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Answer 2

You can get a false negative, but not necessarily a false positive (only if you are taking the pill or fertility drugs, or just didn't take the test correctly--but this doesn't happen very often). Basically, false negatives are quite common b/c it can take a while for the pregnancy hormone to show up in your urine. I did know someone who was 9 weeks pregnant and took tests just about every week that were negative, but it took until the 9th week for it to show positive. But if your last period was Oct. 28th, then you are actually 2 months late?? Depending on when you conceived,you would be pretty far along by now--about 2 months. That is the only thing I am confused about. Of course, I don't know anything about your cycles, so....I am just going by average cycle lengths. However, I guess that if you are 2 months preg. that would make you about 8-9 weeks, which is the same as the person I know who was still getting negative tests at the same time.

I was pregnant and getting negatives even a week after my period was supposed to start. Your best bet is to schedule an appointment with your doctor. They can give you a blood test, which is more sensitive to the pregnancy hormone. And, my advice to you is, if you drink, not to drink anything. I thought I'd add that considering that New Year's Eve is tomorrow.

Answer 3

Can I still be pregnant if the test is negative (have a "false negative")? In a word, yes. You could be testing too early (before your baby is making enough pregnancy hormone to be detected by the test.) And some women (this is fairly rare, but possible) never get a positive urine test even when they're definitely pregnant (for some reason the hormone doesn't make it into their urine.) I have a friend who didn't get a positive HPT until 25 DPO! (With her second baby, a test at 23 DPO was negative . . . but a test on 30 DPO was positive. Oddly enough, with #3, her positive test came at only 12 DPO.) If you get a negative test but think you might be preggo anyway, wait a couple of days (giving the hCG hormone time to build up) and try again. It's not over until the fat lady sings-- and your period crashes the party.

If you are not monitoring your fertility in any way (OPK's, charting cervical mucus or basal temperature, ultrasounds) it becomes extra-tricky. There are two parts to every menstrual cycle: from the start of your period to ovulation, which can vary quite a bit in length, and from ovulation to your next period, which is usually consistent in length. (This second half is known as the "luteal phase," and the normal range is 10-16 days. It's normal for your typical luteal phase to vary by a day or two. For example, mine is normally 11 days, but 10 and 12 are not unheard of either. I have also had a couple of longer ones by total fluke.)

Because ovulation can happen at any time, it's possible your egg was delayed for some reason (stress, illness, travel, excitement.) This doesn't mean your period is actually "late" (it could arrive within the normal 10-16 days after ovulation), but rather than your entire cycle was delayed due to a later-than-usual ovulation.


Go to the doctor for a blood test and good luck
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Answer 4

Yes they can be wrong. Get another test and wait to take until morning. The "new" tests say you can test any time of day, but mornings first pee is always the best. If it is also negative then I would definetly see a doctor, if it is positive you also need to schedule an appointment.
Good luck!!!

Answer 5

A home pregnancy test can DEFINITELY be wrong. Human error, the age of the test, amount of time since intercourse, etc. can all affect the test's accuracy.

You need to go to the doctor or a free clinic to have a blood test done. That's the only way to be 100% sure.

Answer 6

At this point it would be rare. You are far enough that you should be accurate. I know you said you took it this morning, but if it wasn't with your first pee, I would take another one just to be sure, it should give you the earliest answer. But if it still comes out negative, then I would say you are probably not pregnant and the symptoms you gave could be anything from holiday stress to diabetes. If it persists I would see your Dr to rule out anything major.

Answer 7

You should have gone to see a doctor since the end of November if you where wondering why you missed your period or it was late. Some people miss their period due to stress but if you don't think you have any stressful situation in your life then that is not it. Take another test or just go directly to your doctor, I recommend the doctor.

Answer 8

Absolutely. It could be a bad test or perhaps the test is one that takes a higher hormone level to register a positive. The hormone concentration needed to get a positive can vary greatly among the different tests out there.

Good luck!

Answer 9

Sure, it can be wrong. They are very accurate, but if i were you id wait a week or two more and take another test. It also depends on when you are expecting your period. Try to take it around that time

Answer 10

Yes, I had a friend who had to take the test seven times before she got the right answer.