At 7 weeks of pregnancy, your baby—still called an embryo—is growing at an astonishing pace and is now about the size of a blueberry. The body remains slightly curved, but the head is becoming more prominent as the brain develops rapidly. The heart is beating steadily, sending blood through a developing network of vessels. The brain is dividing into major regions that will later control movement, memory, breathing, and emotions. Facial features are becoming clearer, with early structures for the