Hello, Duphaston treats female infertility caused by progesterone deficiencies. Progesterone blood test should be done first. Progesterone is a sex hormone that improves women’s reproductive health. Its level may fluctuate throughout the menstrual cycle. Low progesterone levels may cause infertility, high risk pregnancy and miscarriage risk. Since you are having problem in conceiving you and your partner are advised to get clinically examined by an infertility expert. Both of you will have to go through various tests and investigations. In the meantime, both partners should maintain healthy weight, if obese reduce weight. It is difficult to conceive with obesity. Both partners should take high protein diet and homemade balanced food. Avoid taking packaged food, processed food, carbs, full fat dairy products, refined flour, junk food, etc. Avoid anxiety and stress both emotional and physical. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Nupur K, General & Family Physician