Answer: Hello dear, it happens in pregnancy due to taking different type of medicines. Have a fiber rich foods that includes wholewheat, oats, grains and cereals, Include lot of vegetables and fruits in your diet,include it in the form of sabji,porriyal,salad,you can drink beetroot juice regularly it prevents against constipation and also prevents Anemia.Eat guava with breakfast it will help a lot, Make a habit of eating figs and prunes daily ,start your day with having soaked dry fruits it will relieve you from constipation.
Drink lot of water,stay yourself hydrated,also include fresh juice ,can also have veggies soup best remedy for constipation. Banana smoothie, figs smoothie will be more effective in reducing constipation.
Exercise regularly. Walking, swimming, riding a stationary bike, and yoga can all ease constipation and leave you feeling more fit and healthy. Try another prenatal vitamin. If your prenatal multivitamin contains a large dose of iron (and you're not anemic), ask your healthcare provider about switching to a supplement with less iron. If it persist ,it is better to consult doctor, they will prescribe laxative..
Hope it helped, Take care urself...