The present invention relates to the use of FSH and/or a biologically-active analogue thereof in the production of a medicament for the treatment of infertility in women. The medicament is for administration at an initial dose in the range of from 100 to 600 IU followed by a second dose at least 3 days later in the stimulation phase. In one embodiment, the medicament is for administration a dose in the range of from 300 to 600 IU on every third day of the first 6 days of the stimulation phase. In another embodiment, the initial dose is in the range of from 100 to 500 IU, with the second dose being administered between three and six, preferably four, days after the initial dose.
