Brug af GONAL- f samtidig med andre ovulationsstimulerende midler (f. eks. hCG, clomifen citrat) kan forstærke follikelresponset, mens samtidig anvendelse af GnRH- agonist eller antagonist for at inducere nedregulering, kan det være nødvendigt at øge dosis af GONAL- f for at opnå et adækvat ovarierespons.
248 Concomitant use of GONAL-f with other agents used to stimulate ovulation (e. g. hCG, clomiphene citrate) may potentiate the follicular response, whereas concurrent use of a GnRH agonist or antagonist to induce down regulation may increase the dosage of GONAL-f needed to elicit an adequate ovarian response.