Most Americans don’t know two key facts about pregnancy, including how they are dated and how long a trimester is – and this could matter, as a growing number of states place restrictions on abortion.

Pregnancy and childbirth are both core, foundational building blocks of, well, the entire human race, yet the truth is that many people don’t have the slightest idea what it looks like in practice. So ...

People who are trying to conceive may wonder if a blood pregnancy test can be wrong. These tests, which are done at a health care provider's office or in a lab, are over 99% accurate. Blood tests ...