A pregnant woman needs extra calories for growth of fetus. She need extra energy, calcuim , iron. If she does not takes extra diet than danger of being Anemic & nutritional deficiency occurs. Eat small frequent meals , include healthy snacks in between. Increase vegetables , fruits which is rich in iron , folic, calcium, vitamins & minerals ( Greens, red ,yellow,orange color vegetables , fruits ), cereals ( grains, oats, corn flakes , ragi, whole wheat, Brown rice), pulses ( whole Dal, if it gas problem avoid chana, pea) . Reduce brinjal, suran/yam, papaya, celery, onion, chilli, garlic, ginger, pepper, asfoetida, mustard, bajara, carom seeds, jaggery from your diet. You must remember that those who have previous history of abortion better they must avoid these. Do not eat left over, frozen & deep-frozen food.Avoid cold drinks, mutton, cocoa, chicken, eggs, alcohol, smoking, tobacco, betel nut, pan-masala but tea, coffee & ice-creams can be taken in small quantity..Walking for 30-45min per day .