Table 1.

Effect of lifestyle on fertility and infertility in dimensions of (weight gain and nutrition, exercise, avoiding alcohol and drugs, and disease prevention)

Dimensions of lifestyle	Effect mechanism	Results	Number of articles	Counseling advise
Weight gain and nutrition	Use of supplements, folate, iron, fat, carbohydrate, protein, weight variations, eating disorder	Impact on ovarian response to gonadotropin, sperm morphology, nervous tube defects, erectile dysfunction oligomenorrhea and amenorrhea	15	Maintaining 20<BMI<25 Use of fruits and vegetables, use of unsaturated fat
Physical activity and exercise	Regular exercise, non-intensive exercise	Sense of well-being and physical health Due to calorie imbalance and production of free oxygen radicals, reduced fertilization, sperm and DNA damage	1	Advise to professional athletes, reduced intensity and duration of exercise to 3 times per week, for 45-60 minutes
Disease prevention	Antibody in the body, blood pressure control, blood sugar control, prevention of sexually transmitted diseases	Maternal and fetal health, preventing early miscarriage, preventing pelvic infection, and subsequent adhesions	5	Timely vaccination, avoiding high-risk sexual behaviors
Avoiding alcohol, drugs and medications	Increased free oxygen radicals, increased semen leukocytes, endocrine disorder, effect on ovarian reserves, sexual dysfunction, impaired uterus tube motility	Reduced quality of sperm and embryo, reduced fertilization, increased prolactine, early menopause, changes in corpus luteum and ovarian vessels, poor ovarian response to fertilization, stillbirth	17	Teaching healthy lifestyle, dealing with negative mood, daring skill, problem solving skill