The awaited moment is getting closer. As the pregnancy progresses, the belly gradually bulges, causing the body\’s center of gravity to shift forward. The expectant mother\’s back and waist muscles are often in a state of tension. In addition, the pressure of the enlarged uterus on the lumbar nerves is also a cause of low back pain. Suitable for sports: stretching gymnastics, pregnancy yoga, chess. The purpose of exercise at this time is to stretch and move the muscles and bones, mainly slower gymnastics. For example, simple stretching exercises: sit on a mat and bend and extend your legs; lie down and gently twist your pelvis and other simple movements. These exercises can strengthen the flexibility of the pelvic joints and waist muscles and not only relax