Merck GONAL-f 450 IU Instructions For Use Manual page 11

4.4. Attach the needle
•
Screw the threaded tip of the GONAL-f pre-filled pen into the outer needle cap until you feel a light
resistance.
Warning:
Do not attach the needle too tightly; the needle could be difficult to remove after the injection.
• Remove the outer needle cap by pulling it gently. Put it aside for later use.
•
Hold the GONAL-f pre-filled pen with the needle pointing upward.
•
Carefully remove and discard the green inner shield.
4.5. Look closely at the tip of the needle for tiny drop(s) of fluid
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