7 Reasons Your Pregnancy Test Gave A False-Positive You Had A Miscarriage or Abortion Recently. . Some Medications Can Trigger False-Positives. . Medical Conditions Are Sometimes to Blame. . Confusing Evaporation Lines. . User Error. . An Ectopic Pregnancy. . A Chemical Pregnancy. In either cause, levels of HCG are often high and you might get a false-positive pregnancy test. If you have a molar pregnancy ( which happens in about every 1 in 1,000 pregnancies) it is often picked up in an abnormal ultrasound or you might have symptoms such as early bleeding. Certain infertility and weight loss treatments may contain synthetic hCG and cause false-positive results in blood tests. Other drugs, such as aspirin, carbamazepine, and methadone may also result in false-positive tests. 5.
What triggers false positive pregnancy test?
It’s possible to have a positive pregnancy test even if you aren’t technically pregnant. This is called a false positive. It’s sometimes caused by a chemical pregnancy. A chemical pregnancy occurs if a fertilized egg, known as the embryo, is unable to implant, or grow, very early on.
How common is false positive pregnancy test?
The good news for prospective testers is that the chances of a false positive pregnancy test are very low. So just how common are false positive pregnancy tests then? “False positive pregnancy tests are rare and occur less than 1 percent of the time,” confirms DuMontier.
What causes hCG levels to rise if not pregnant?
Although the most common cause of an elevated HCG level in females is pregnancy, occasionally, a HCG-secreting tumor is suspected and other conditions such as gestational trophoblastic disease (GTD), nontrophoblastic neoplasms, or a pituitary source of HCG, must be considered.
Can a home pregnancy test give a false positive?
Certain medical conditions Rarely, certain medical conditions can cause a home pregnancy test to give a false positive. These include: A positive at-home pregnancy test result should always be followed up with a doctor’s appointment. Your doctor may give you a urine or blood test to confirm the results and monitor your hCG levels.
What causes a false-positive urine pregnancy test?
A person taking a home urine pregnancy test very soon after an abortion or miscarriage can be another reason for a false-positive result. Once a fertilized egg implants into the uterine wall, the body secretes hCG. Typically, hCG may start to decline as soon as 5 days after a medical abortion but may remain at a readable level for longer.
What can cause a false positive hCG test?
Certain infertility and weight loss treatments may contain synthetic hCG and cause false-positive results in blood tests. Other drugs, such as aspirin, carbamazepine, and methadone may also result in false-positive tests. 5. Medical conditions
What medications can cause a false positive pregnancy test?
Other medications can also cause false-positive pregnancy tests. They include but aren’t limited to: anti-anxiety medications, like diazepam (Valium) or alprazolam (Xanax) antipsychotics, such as clozapine or chlorpromazine