Mothers who are deeply stressed during pregnancy may mar their babies’ growth in the womb, while those who go on with joyful attitude, their chances of giving birth to a healthy baby increase manyfold. This fact has been exposed by a new study. During stress, adrenal gland secretes a hormone known as Cortisol, which plays and important role in the stunted growth of the baby in the womb. Researchers examines about 98 women who were pregnant and found that the mothers who were stressed their fetus was smaller than the pregnant women who were not stressed. Therefore, it is important for a mother to keep away from stress, depression and anxiety, especially during pregnancy. So, all to-be-moms out there, keep smiling.