Women should eat more alkaline foods, because these foods can balance the pH of the human body, making the human body appear in an alkaline state and increasing the chance of Y sperm fertilizing and combining with the egg smoothly. Generally speaking, alkaline foods include fresh vegetables, fruits (bananas, willows, plums, except processed fruits), fresh milk, beans (pods or green beans), grains (such as corn), tea, kelp , seaweed, yeast, iodine, calcium, vitamin d. Supplementing some Linkar natural calcium before pregnancy can adjust the body's acidic constitution to alkaline and increase the chance of giving birth to a boy!