A barely visible second line on a home pregnancy test can trigger excitement, or confusion and anxiety. While many women ...

It is critical to distinguish a faint positive line from an evaporation line, which is a false result. An evaporation line is ...

The developing placenta secretes the glycoprotein hormone hCG, human chorionic gonadotropin, soon after fertilization. In normal pregnancy, this hormone can be detected in serum in just seven days ...

The results of a pregnancy test can be life-changing, but they can also (sometimes) be wrong. At the core, home tests are designed to pick up traces of human chorionic gonadotropin, or HCG a hormone ...

Having tons of choices for pregnancy tests is great, but the sheer number of brands to choose from is dizzying—not to mention trying to figure out how they work and which one works best. What's the ...