what are five risk factors that affect female fertility?
["Age. A woman's age can affect her fertility. ... ", 'Emotional factors. Depression and stress may have a direct effect on the hormones that regulate reproduction and affect sperm production or ovulation.', 'Occupational and environmental risks. ... ', 'Unprotected sex. ... ', 'Smoking. ... ', 'Alcohol use. ... ', 'Being overweight. ... ', 'Being underweight.']