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 ...

Home-made pregnancy tests often spark curiosity, especially when you hear that common household items might reveal early ...

Helen King does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...