Figure 2From: A questionnaire-based survey to assess patient satisfaction, ease-of-learning, ease-of-use, injection site pain and overall patient satisfaction of the follitropin-alpha (Gonal-f) filled-by-mass (FbM) prefilled pen compared with other systems of gonadotrophin administrationInjection site pain during use. Pie chart shows the percentage of patients responding by category to the question ‘How painful was the injection with the Gonal-f pen?’ (n=663).Back to article page