hCG levels usually double every two to three days in early pregnancy, showing that things are progressing normally. Testing hCG can help doctors check the pregnancy's health, especially if there are ...

Medically reviewed by Peter Weiss, MD Key Takeaways Many home pregnancy tests claim to be 99% accurate if used on the day of ...

Pregnancy tests work by identifying hCG, the pregnancy hormone. After fertilization, the embryo implants in the uterine lining, and the body begins producing hCG. This hormone is present in the urine ...

Everything you need to know about testing for pregnancy at home. Taking a pregnancy test is often an emotionally-charged experience, so you want to get it right the first time, particularly if you’re ...