High fibre foods for example: Fresh vegetables like broccoli, Spinach or asparagus, plus fresh fruit, pears, apples and grapes, whole grain breads and cereals.

You should also eat plenty of beans; such as Soya beans or Broad beans these do not cause constipation.

Too many processed foods or dairy products like cheese or sugary foods can cause constipation

Here are some food that will cause constipation: the western diets consisting of high fatty foods, fast foods, sodas, caffeine products also banana will make you constipated. So do not a lot of those foods.

I know one fruit that can help in constipation is banana. It really works!! try it... But I don't know other foods which can help in constipation.

NO breastfeeding will not cause constipation!

Certain nuts do cause constipation. Macadamia nuts for example have been shown to cause constipation, but as far as constipating foods go, nuts aren't the worst. You should be absolutely fine eating nuts.