8 Possible Causes for a False | 合法醫療器材資訊網

2020年7月7日—8PossibleCausesforaFalse-PositivePregnancyTest·1.Youhadachemicalpregnancy.·2.Youhadanectopicpregnancy.·3.Youtestedtoo ...

First things first: OTC pregnancy tests measure a hormone called human chorionic gonadotropin (HCG)[1] in your urine that’s released in spades during pregnancy — especially at the beginning. As long as you are taking the test correctly (more on that later), a positive result means there is HCG in your urine, explains Jaime Knopman[2], M.D., director of fertility preservation for CCRM New York.

But here’s the thing: HCG can be present at low levels in the body even you’re not pregnant — and just because a test is positive for HCG doesn’t mean that the pregnancy is going to progress normally. While you’ve likely heard that 10 to 20 percent of known pregnancies end in miscarriage[3], the true number is likely higher because miscarriages can happen before you even know you’re pregnant. “Nearly 25 to 30 percent of early positive pregnancy tests do not progress normally,” estimates Dr. Knopman. So, if you get a positive te...

Pregnancy Tests: When to Take One | 合法醫療器材資訊網

False-Positive Pregnancy Test | 合法醫療器材資訊網

2017年5月10日 — Reputable home pregnancy tests can be accurate, but they aren't foolproof and can cause confusion. False positives and negatives can occur ... Read More

False | 合法醫療器材資訊網

2017年10月25日 — Five reasons for false-positive pregnancy tests · 1. Evaporation lines. When taking a home urine pregnancy test, it is important to follow the test's ... Read More

Home pregnancy tests | 合法醫療器材資訊網

It's possible to get a negative result from a home pregnancy test when you're actually pregnant. This is known as a false-negative. You might get a false-negative ... Read More

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False Negative Pregnancy Test — A false negative pregnancy test is when you are pregnant but the test comes up negative. The most common reason ... Read More

False Positive on a Pregnancy Test | 合法醫療器材資訊網

A false positive on a pregnancy test means that the test detected the hormone hCG in your urine when there really was not hCG in your urine. The newer, more ... Read More

6 Things That Can Cause a False | 合法醫療器材資訊網

2020年8月21日 — Causes for a False-Positive Pregnancy Test · 1. You let the test sit too long before looking. · 2. The pregnancy test is expired. · 3. You're on fertility ... Read More

False | 合法醫療器材資訊網

2020年12月4日 — A false positive can occur if you haven't properly followed the instructions on the pregnancy test. For example, you're meant to check the test ... Read More

7 Reasons Your Pregnancy Test Gave A False | 合法醫療器材資訊網

2021年2月1日 — 7 Reasons Your Pregnancy Test Gave A False-Positive · 1. You Had A Miscarriage or Abortion Recently · 2. Some Medications Can Trigger False- ... Read More

8 Possible Causes for a False | 合法醫療器材資訊網

2020年7月7日 — 8 Possible Causes for a False-Positive Pregnancy Test · 1. You had a chemical pregnancy. · 2. You had an ectopic pregnancy. · 3. You tested too ... Read More

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