The tiny heart and circulatory system are taking shape, and the heart begins to beat and pump early blood. The neural tube along the back is closing, and the embryo now has a distinct head and tail end.
A missed period likely confirms the news. Early symptoms such as nausea, frequent urination, sore breasts, and mood shifts may begin.
This week's tip: Schedule your first prenatal appointment and review any medications or supplements with your provider for safety.