Corrections & Clarifications: An earlier version of this story misstated how to calculate pregnancy duration. It has since been updated. If you think there's a chance you might be pregnant, you want ...

High-risk pregnancy doctor Shilpi Mehta-Lee joins WIRED to answer the internet's burning questions about pregnancy. Do babies cry in the womb? How do ultrasounds work? What is Vanishing Twin Syndrome?

Share on Pinterest New research shows exactly what happens to the brain during pregnancy. The question is: What does this mean for the pregnant person? Image credit: Studio Firma/Stocksy. The female ...

A leaky heart valve occurs when a heart valve doesn’t close properly, allowing blood to flow backward. During pregnancy, this condition can affect circulation and increase strain on your heart. A ...