A good nutritional status maintained by the mother during pregnancy help to grow strong, healthy placenta, which determines the birth weight and future health of baby in adult life. Similarly positive emotions like love, joy, gratitude and healthy thought by parent brings the growth of the unborn child in the womb of the mother. Whereas negative thoughts, depression and stress injures the unborn child. Hence the concept of Sanskar (good thought) imparted right from prenatal stage i.e. when the child is in the womb of mother is important. It has been documented that the activity of the mother during pregnancy in the form of prayer (good rational thoughts), Manshakti (positive emotion), conversation with foetus (talk) or expressing feeling (touch) is not only recognized by unborn baby but it has positive effects on physical and mental health. Thus, such mental and physical activity performed by parents with the intension of creating a positive environment and obtaining a growth of the baby is called Garbhasanskar so in this article we describe importance of Garbhasanskar.