Week 13 of pregnancy represents the beginning of the second trimester, ... The baby is growing rapidly and developing bones that will soon be visible at an ultrasound scan. Week 16.

The idea would have been unthinkable before the advent of a technology developed in 1976: real-time ultrasound. At six weeks, the “heartbeat” is not audible; it is visible, a flickering that ...

We'll tell you all about the 6-week ultrasound, including why your doctor may have ordered it, what the risks are, and what it means if no heartbeat is detected.

The technician told Laura she was at 11 weeks. “Do you want to see your ultrasound?” she asked. “I’d rather not,” Laura answered promptly. Laura, who asked that her last name not be used ...