Hanging out in a squat like this really opens the hips and pelvis, which is ideal Nude pregnant yoga prenatal practice. Another lovely side body stretch to create space for the baby, Extended Side Angle is also a wonderful prep pose for childbirth as it strengthens the quads and increases stamina. Nude pregnant yoga is a time to nourish yourself and your baby—and what better way to do this than with yoga? This active pose, known as Utthita Nude pregnant yoga, can help strengthen your legs and reduce swelling in your ankles and feet, which can happen as your baby grows and you gain weight. Modify for pregnancy by leaning against a wall or squatting on blankets. Only suitable until about 30 weeks.