Strengthen your legs and support and develop your lower body. It helps your hips open, which will be helpful when you have a labor.
Step your feet both on the center of mat, Slide your left leg back, bring your arms in front and stretch them up to the top. Breathe in and breathe out. Exhale and bring your left leg forward and take a big step of your right leg back and put your arm to the top. Exhale and bring your leg forward.