Life on earth continues from time immortal. Women play an important role in continuing the life circle by delivering child. Pregnancy is the time period of forming and growing of a new life in women. A physically and mentally healthy women gives birth to a healthy child and thus the life tree continues to spread its seeds on this earth pregnancy is a condition in which woman face many physiological and psychological discomforts and problems. Pregnancy is a most special time for woman life and for her family too. This time many change occurs in the pregnant woman's body. These all changes create a new stress to the lives of a pregnant lady. Yoga may work as a boon during pregnancy. Yoga practice includes both asanas(physical postures) and Pranayama (Deep breathing techniques) So, Through the practice of yoga health of the fetus and pregnant lady can be maintain and the stress and anxiety can be reduce of the pregnant lady. Additionally yoga trains a person to cope with daily stressors and improves one's Overall health (physical, mental, emotional, and spiritual). This study has been conducted to identify the effect of yoga during pregnancy.