What Causes Negative Pregnancy Test While Pregnant

So most of the time getting a negative result on a pregnancy test means that you are probably not pregnant. A more serious condition is ovarian cancer.

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If you take a home pregnancy test too early you may get a false negative result.

What causes negative pregnancy test while pregnant. Modern home pregnancy tests which use a urine sample to detect the presence of human chorionic gonadotropin or hCG a hormone produced during pregnancy are fairly reliable. Dealing with depression while pregnant is a critical subject. It may cause a false-positive reading on an at-home pregnancy test particularly if the test is taken too early.

These drugs can elevate the hCG levels in your blood. It may therefore cause a positive result and then a negative result scenario. An at-home pregnancy test is designed to detect hCG in urine the Cleveland Clinic explains.

Home urine pregnancy tests work by detecting the presence of human chorionic gonadotropin or hCG in the urine. If you are taking antidepressants before pregnancy you need to talk to your doctor about it. You may be dealing with an undiagnosed medical condition such as polycystic ovary syndrome or it could be.

You need a high enough blood and urine hCG pregnancy hormone level to get a positive pregnancy test. This is the hormone of pregnancy and it is found in both the urine and blood. Your hCG wont be high enough to detect until six days after conception.

There is nothing to worry about unless you have other symptoms like breakout bleeding or cramps. A very rare cause of a false negative pregnancy test is when the hCG hormone in your body does not react with the anti-hCG chemicals in the test. Pregnancy Test after IVF gives you a false positive pregnancy test because during infertility therapies doctor gives you ovulation drugs.

Negative Tests No Period 1. There may be many different reasons for a negative pregnancy test after a missed period. If the hormone is present it triggers a chemical reaction and the test signals that youre pregnant.

Home pregnancy tests HPT work by picking up on a pregnancy hormone called human chorionic gonadotrophin hCG. Later on as the hCG levels fall you get a negative pregnancy test. The reasons for getting a negative pregnancy test are.

1 Low levels of hCG If your body is producing low levels of hCG even after implantation then you will get a negative pregnancy test. Newly discovered reasons include the high dose and the hook effect. Causes Of A False Negative Pregnancy Test A negative result on a test after missing the first few days of your period does not necessarily indicate pregnancy especially if you have irregular cycles.

Other medications can also cause. The test is fine-tuned to detect low amounts of hCG but there arent enough hormones to be detected on the test until about a week after conception. If you took the test too early then the test will read negative even if you are pregnant.

Causes of an incorrect test result Though pregnancy tests are highly accurate theres still room for error. If you get negative results but you still think you could be pregnant wait a few days and try again. Some examples are ovarian cysts urinary tract infection or kidney disease.

Ironically unusually high levels of hCG can cause a pregnancy test to give a false negative result. This is the major reason for a false negative test. Levels of this hormone rise quickly in your body as soon as the egg implants into the wall of the uterus.

The hCG shot helps follicles release mature eggs. An ectopic pregnancy might also be another reason why you have a positive test result. A few issues can affect your results but your birth control pill isnt one of them.

Most OTC pregnancy tests are designed to recognize hCG levels within a certain range so if your hCG levels are lower or higher than what the test is able to detect youll get a negative result. Source This happens when hCG levels are unusually high. Certain medications like anti-seizure drugs and antiepileptic drugs can cause a false negative pregnancy test.

A woman has pregnancy symptoms but negative pregnancy test because of medications. So unless youre experiencing other pregnancy symptoms or instinctively feel that you may be pregnant the test might just be right. There are few less known causes of negative pregnancy test even when pregnant.

You are pregnant but your hormone levels are low. This reason might be more worrying than the other causes of a false positive or a false negative test. Youre pregnant with multiples Even though most women have higher levels of hCG when pregnant with twins theres something called the high dose hook effect that can cause the test to be negative.

Pseudocyesis and cryptic pregnancy are two more strange causes of a negative pregnancy test in pregnant women.

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