1) A na-eji ya jikọta ma agịga agụụ na tube mkpokọta ọbara agụụ.
2) Mgbe sterilization gasịrị, biko jiri ngwaahịa ahụ tupu ụbọchị agwụ agwụ. Ọ bụrụ na mkpuchi mkpuchi adịghị mma ma ọ bụ mebie, biko ejila ya.
3) Ọ bụ ngwaahịa na-apụ apụ. Ejila ya nke ugboro abụọ.
4) Maka ahụike gị, ejila otu lancet ọbara ahụ na onye ọzọ.