Shraddha Yoga Online Shop › Prenatal & Postnatal Yoga and Wellness Teacher Training Manual Image 1 of 1 Prenatal & Postnatal Yoga and Wellness Teacher Training Manual $54.00 Manual written and developed by Corinne Andrews for the Birthing Mama 90-hour PYTT. Add To Cart Added! Manual written and developed by Corinne Andrews for the Birthing Mama 90-hour PYTT.