Infertility problem in both males and females is mostly caused due to:-
A hormone imbalance
A tumor or cyst
Eating disorders such as anorexia or bulimia
Alcohol or drug use
Thyroid gland problems
Excess weight
Stress
Intense exercise that leads to a significant loss of body fat
Extremely brief menstrual cycles
IVF treatment is highly suggested to resolve infertility problem. There have been great advancements in infertility treatments that will eliminate the problem.