Čeprav je tveganje prenosa nekaterih nalezljivih bolezni preko zarodkov, ki ga ocenjuje Mednarodno društvo za prenos zarodkov (IETS), zanemarljivo, če se z zarodki pravilno postopa od odvzema do prenosa, bi bilo treba sprejeti primerne varnostne ukrepe glede semena za oploditev.
Although the risk of transmission of certain contagious diseases via embryos assessed by the International Embryo Transfer Society (IETS) is negligible provided that embryos are properly handled between collection and transfer, appropriate upstream safeguards should be taken with regard to semen used for fertilisation.