1.What are the benefits of exercise before pregnancy? Couples often physical exercise, can maintain physical health, can provide better genetic quality for the next generation, especially for the next generation of cardiorespiratory function of oxygen uptake capacity, reduce simple obesity and other aspects can have a significant impact. Pre-pregnancy exercise time should not be less than 15-30 minutes a day. Generally suitable for early in the morning, exercise suitable projects are running (jogging), walking, doing aerobics, boxing, etc. 2.What should be noted in the diet of pre-conception couples? The diet of pre-conception couples is very important. First of all, to develop good eating habits. Pre-conception couples should eat rich nutrition, not partial food, picky food, not taboo, try to eat all kinds of food. Pay special attention to eat more protein, minerals (including trace elements) and vitamin food. All kinds of beans, eggs, fish, lean meat, etc. are rich in protein, kelp, nori, sea jelly, etc. contain more iodine, animal food contains more iron, fruits and vegetables are rich in vitamins. Secondly, avoid contamination of food. Pre-conception couples should pay attention to dietary hygiene in their daily lives to prevent food contamination. To try to choose fresh natural food, avoid taking food containing food additives, coloring, preservatives, such as beverages, canned food, brisket, pastry, sausage and convenience food. 3.Why must couples quit smoking and drinking before pregnancy? Alcohol and tobacco have an adverse effect on germ cells (sperm and eggs) and embryos. Women smoking can make the uterus vascular, placental vasoconstriction, resulting in reduced local blood flow, can lead to fetal growth restriction, low birth weight, brain development delay, congenital heart disease, increase the incidence of miscarriage, stillbirth, premature birth and neonatal death. It should be noted in particular that the fetus also suffers from passive smoking in women. Husbands who smoke, not only make their own body suffer, but also seriously affect the vitality of sperm, so that the number of deformed sperm increases. Children born after conceiving under the influence of alcohol often suffer from mental retardation, impaired motor development and various deformities, such as harelip, short legs and congenital heart disease. Therefore, women who are preparing for pregnancy should not drink alcohol and discourage their husbands from drinking alcohol as well. 4.What should the husband do before pregnancy? Infant birth defects are by no means only related to the woman’s pregnancy status, the husband also has an equally important relationship. The key to men’s health care before childbirth is: (1) to develop good habits. (2) Avoid exposure to toxic substances. Drug addicts should be detoxified, smokers and drinkers should stop smoking and drinking. The presence of toxic substances in the work environment should be actively prevented and protected. (3) Pay attention to many social, psychological, and physical factors, such as diet and nutrition, physical health, happy mood, and conjugal love. (4) Use drugs carefully. In the 2-3 months before pregnancy and during the pregnancy period, the husband must be careful with medication, and if possible, it is better to stop using – all medications. Many drugs can pass through the blood-testis barrier, and by interfering with the formation of sperm or drugs through the blood-zai barrier into the koozai, through sex and into the female blood circulation, so that the incidence of low birth weight and deformed fetus increased, but also increase the perinatal fetal mortality rate. 5.What are the benefits of taking vitamins before pregnancy? Both vitamin C and vitamin E have antioxidant effects and can effectively remove toxins from the body, as well as stimulate the production of collagen and accelerate the growth of healthy tissue. Vitamins C and E give nutrients to the egg, and vitamin E in them plays an important role in the egg’s chances of fertilization. Take folic acid before and after pregnancy. Folic acid is stored in abundance in green leafy vegetables, fruits and animal liver. Folic acid is involved in the whole process of human metabolism and is an essential vitamin for the synthesis of DNA, an important substance in the body. Its deficiency can lead to fetal neural tube malformation, in addition to an increased rate of malformation of the eyes, mouth and lips, palate, gastrointestinal tract, cardiovascular, kidney, bones and other organs. However, never take vitamins on your own, always take them under the guidance of a doctor.