RESUMO
OBJECTIVE: The aim: Based on the study of the results of retrospective analysis, optimize ways to improve natural fertility. PATIENTS AND METHODS: Materials and methods: Data from the American Society for Reproductive Medicine and the Society for Reproductive Endocrinology and Infertility were used to study this problem. CONCLUSION: Conclusions: With a body mass index > 35, the time reguired for conception increases by 2 times. At the same time, when the body mass index <19, the time reguired for conception increases by 4 times. Increased levels of mercury in seafood are associated with infertility. Smoking accelerates the rate of exhaustion of the ovarian follicular apparatus. When trying to become pregnant, it is advisable to avoid drinking more than 2 servings per day. Caffeine intake over 5 cups/day in women correlates with reduced fertility.