Hello Doctor I M Planning For Baby My Age Is

hello doctor i m planning for baby my age is 38yrs. i had leproscopy before 3-4 month still my treatment is goin on. last month i had my follicular study n the report was perfect as my doctor told n he suggested Duphastone 10 tablet for 15 days. but still my pregency test is nagative plz help me to concive me as soon as possible