A faint line on a pregnancy test can be confusing. Learn what it might mean, when to retest, and how to manage the wait for ...

Your at-home pregnancy test confirmed the big news when it found hCG — aka the pregnancy hormone — in your urine. And your doctor might take a closer look at your levels via blood tests to ...

These early results are possible because the test can detect HCG at levels much lower than pregnancy tests that are designed to be used closer to or after the day of an expected period.

Medically reviewed by Peter Weiss, MD Many home pregnancy tests claim to be 99% accurate when testing is done on the day of an expected period. However, these estimates are based on laboratory testing ...

Pregnancy test kits are useful tools for women who are trying to conceive or are simply seeking transparency on a potential pregnancy. While it's true that the ease of at home testing makes these ...

A pregnancy test measures the presence of the hormone human chorionic gonadotropin, or hCG, which is produced by an embryo. Though not as accurate as a pregnancy test at the doctors, an at-home ...

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The results of a blood test that measures either hCG and PAP-A (pregnancy-associated protein A) in maternal blood are used with an ultrasound measurement of the fetus' skin at the back of its neck ...

The change in serum hCG over time (hCG ratio ... A woman is classified as having a PUL when she has a positive pregnancy test, with no signs of an intra- or extra-uterine pregnancy on transvaginal ...

Some of the reasons a test may give a false-negative result include: Home pregnancy tests look for the presence of human chorionic gonadotropin (hCG) in urine. Although some tests can detect hCG ...