Vegetable proteins contain only some of the amino acids so they need to be combined with animal products some wheat products to make them complete proteins. Vegetable proteins are found in peas, beans lentils, seeds and nuts. As pregnancy progresses there is a tendency to develop constipation. You can overcome this by taking plenty of roughage. Raw fruit and vegetables, bran, whole grain, peas and beans are all fibrous foods that you should intake.
Water is the best drink, which helps to avoid constipation.
You should not regulate your fluid intake during pregnancy, except to check the water content of the drinks you take. The varied and balanced diet of wholesome food has high level of vitamins. As your baby grows, so do your calcium requirements. Sources of calcium include dairy foods, leafy vegetable, dry peas, beans and lentils. The best source of vitamin A is sunlight.