Answer: Dear, after taking iron medicine, it happens. But no worries, Here are some tips for preventing and easing constipation...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 also include fresh juice. Banana smoothie, figs smoothie will be more effective in reducing constipation. Walking, swimming, riding a stationary bike, and yoga can all ease constipation and leave you feeling more fit and healthy. 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..