1, before pregnancy, men should take at least 60 mg of vitamin C every day, and if you smoke, you need at least 100 mg, because smoking will reduce your absorption of vitamin C. Of course, if you want to have children, it's best for your prospective father to give up smoking before pregnancy to prevent your wife from absorbing second-hand smoke.

2. Before pregnancy, men should consume12 ~15mg of zinc every day, which can be obtained from lean beef, lean meat, black rice, chicken legs or chicken wings.

3. Foods rich in folic acid include green leafy vegetables, such as broccoli and rape. However, other foods, such as soybeans, durian, pork liver and Coprinus comatus, are also rich in folic acid.

4, alcohol and its toxic decomposition substances can easily cause chromosome aberration, making children deformed. The wine here does not only refer to white wine and beer, but all alcoholic drinks or some carbonated drinks, such as rice wine, liqueur and cola, are harmful to the reproductive health of young men. Quit smoking and alcohol at least three months in advance.

5. Too much or too little body fat may disturb the normal production of sex hormones, which will reduce the number of male sperm and increase the percentage of abnormal sperm. Therefore, male friends who want to be fathers, hurry up and control their weight within the normal range, so that a large number of high-quality sperm can be produced! Walking, swimming, table tennis, badminton, basketball, etc., and keep exercising for at least 30 minutes every day.

6. Frequent hot bath will reduce the number of sperm! Staying in hot water above 40℃ for more than half an hour will reduce the sperm count of men. Therefore, the bath water temperature should not be too high, and saunas, steam rooms and whirlpool warm baths should also be avoided.

7. If you want to be a father, you'd better not wear too tight trousers, and certainly don't wear too tight underwear. Tight pants, synthetic materials and excessive temperature have all been proved to affect men's reproductive ability.

8, continuous night shift, long-distance travel, excessive physical labor, strenuous physical exercise, too concentrated and persistent mental labor and other fatigue conditions are not suitable for pregnancy. If you plan to have a baby, it is better to conceive when both parties are full of energy and comfortable.