1. Time to prepare for pregnancy
Three months in advance
1. Regular work and rest, go to bed early and get up early. Exercise moderately, eat a light diet, and stay away from harmful substances.
2. Both husband and wife should supplement folic acid. People with high metabolism should increase the amount of folic acid. Quit smoking and drinking, and stay away from second-hand smoke.
3. Routine examinations, early detection of physical conditions, and timely treatment. If you have pets at home, you can get a Toxoplasma test. 
2. Daily exercise
The woman
1. Exercise 30 minutes of aerobic exercise every day, 5 days a week.
2. During non-menstrual period, soak your feet for 20 minutes every day
The man
1. Exercise for 30 minutes a day, 2 times a week to increase muscle strength.
2. Avoid wearing tight pants, sitting for long periods of time, or taking baths. High temperatures will affect sperm quality. 
3. Maintain your body
1. Diet: Eat less seafood (for fear of allergies), eat less cold foods (increase obstruction and affect pregnancy) and have less contact with barbecue, milk tea, alcohol, and pickled foods.
2. Skin care products: Try to use skin care products that can be used during pregnancy, and try not to use whitening or anti-aging products.
3. Eat more foods: black beans, soybeans, sesame seeds, corn, eggs, fish, wolfberry, red dates, milk, etc.
4. Nutritional supplement
1. Vitamin E, start taking it 3 months before pregnancy.
2. Supplement calcium-containing foods every day.
3. Iron: Eat more animal liver, red meat, spinach, eggs, etc.
4.DHA: Supplement 200-300mmg every day.
