The answer to this question can be given in a word and that is ‘No’.
The hcg injections are specially designed in a way so that they inject the hcg hormone into the layer beneath the skin where fat is stored. Hence, it is not like other type of injection where the needles is an inch long.
In case of the hcg injections the needles is just long enough to penetrate your skin and get into the layer beneath your skin If you have seen any movie wherein they injection anti allergy injections to the patient then you do not have to think hcg injections are separately. yes, it is the the same sort of injections and anyone with a basic knowledge can use it without any injury to yourself or to others.
In short stop worrying about hcg injections as they are the safest thing when you think about injecting.