Hi, character of baby depends on genes he/she get from parents but whatever mother eats & does also affects her baby. So mother must take care of her health both physical as well as mental. She must have healthy diet, sound sleep, stress free life, a disciplined cheerful life, do regular light exercise and meditation so har child will devlop good habits in the womb. Also she should take prenatal medicaction prescribed by her doctor, these are a great help for baby's development.