A loganberry is a cross between a raspberry and a blackberry. It is a fruit rich in vitamins and minerals essential for the good health of pregnant women. It has antioxidants that help increase your immunity. The vitamin C in loganberries helps in healing wounds and repairing tissues. Loganberries also has vitamin K, a key nutrient that helps in protein synthesis for healthy tissues and bones. Its folate content also helps lower the risk of serious birth defects like spina bifida.