[header] How to prevent constipation during pregnancy [title] Eat a high fiber diet. [step] One of the best defenses for preventing or alleviating constipation during pregnancy is ensuring you're eating a high fiber diet. [substeps] Women should aim for at least 25 g of fiber every day. 
Track your fiber intake with a food journal or app to see how close you are to that goal. Fiber helps prevent constipation in two ways.