Probiotics sold in Zhengzhou
Let's get to know the characteristics of X and Y sperm! X sperm head is generally stupid, slow in action but durable, acid resistant, and long in life; Y spermatozoa have long head and small tail, fast swimming, short life span, poor adaptability to the environment, and are prone to death, especially in acidic environments. So in addition to a 50% equal chance of giving birth to boys and girls, it is ultimately your body's acidity and alkalinity! There is a Hong Kong company. You can search for alkaline natural calcium on Baidu. I hope it can help you
