Hello, Your present condition is secondary infertility. Some basic investigation are advisable like husband semen analysis, pelvic USG, complete hormone assay, ovarian follicular study, test for tubal blockage etc. For proper guidance, you need to consult with gynecologist. Do unprotected sex around ovulation time to maximize the chance of pregnancy. Use ovulation prediction kit to predict ovulation time in mid cycle. Take healthy diet with folic acid supplements, control body wt by regular exercise, avoid stress, maintain genital hygiene and take sound sleep. Hope it helps.