Yes, pummelos are one of the most nutritious citrus fruits. They resemble grapefruit in appearance and just like other citrus fruits, are also rich in vitamin C. As per the American Pregnancy Association, pregnant womeen need to have atleast 85 mg of vitamin C daily. It is essential for neonatal nutrition and helps in improving the immunity of the pregnant mother. It also acts as an antioxidant and prevents cell damage. Hence, pummelos are a good addition to your pregnancy diet.