Blood pregnancy tests can tell you if you're pregnant 6 to 14 days after conception. You'll need to wait longer before taking ...

A false negative on a pregnancy test means the test says you're not pregnant when you actually are. Here's how it could ...

Osmolality is the concentration of all particles in a fluid. For example, thick, sugary syrup has significantly higher osmolality than a cup of water with just a pinch of sugar. The urine osmolality ...

At-home urine test kits are now common in Estonian pharmacies and supermarkets, but doctors warn they're often unreliable and no replacement for a lab test or doctor's visit.

At-home drug tests are urine or saliva tests that can identify if illegal or prescriptions drugs are present in your body. These tests are an alternative to going in person to a laboratory or other ...