Hi All,
This is my first cycle using Gonal F 900 pens and have used 3 of them so far. I have read instructions several times and triple checking the dosage before injecting but after each pen is completed there is more left than it should, around 80-90 IU more for each. I am really confused if there is something I am doing wrong or if there is always more in each pen? Any feedback will be appreciated xx