How Do Baby’s Bones and Muscles Develop in the Second Trimester?

Pregnant woman in a sunlit room, hand on belly, illustrating anticipation for baby's growth.

Explore how your baby’s bones and muscles mature during the second trimester through ossification, movement milestones, and nutrition. Learn why calcium and vitamin D are vital, how ultrasounds track growth, and discover lifestyle tips for supporting bone health and managing pregnancy headaches.