“…The criteria of positive response were identical with those employed in gonadotropic treatment. As to the dosage schedules, numerous authors (Naville et al, 1964;Dickey et al, 1965;Pildes, 1965;Serr et at., 1966;Shearman, 1966) pointed out that lower dosage and shorter treatment resulted in a decrease of more serious side-effects related to ovarian overstimulation, while the overall pregnancy rate remained unaffected. We generally start with a dose of 50 mg. of clomiphenefl daily for seven consecutive days.…”