I dette tilfælde skal graviditet undgås, og der må ikke indgives hCG, fordi administration af hCG kan inducere ovariehyperstimulationssyndromet (OHHS), foruden multiple ovulationer.
In that case pregnancy should be avoided and hCG must be withheld, because it may induce, in addition to multiple ovulation, the ovarian hyperstimulation syndrome (OHSS).