The richness in minerals such as magnesium and potassium, help alleviate muscle fatigue, prevent muscle cramps and improve muscle strength. The benefits of kiwi during pregnancy do not end here. Apart from the folates, which are essential for the growth and development of the baby, kiwi fruits also have a good amount of fiber that can help prevent constipation and heartburn in pregnancy. One of the kiwi fruit benefits for a pregnant woman is that it helps keep hemorrhoids at bay. When you eat a healthy amount of fiber, you can also avoid hemorrhoids as well as other digestive discomforts that are so common during pregnancy.