Nsogbu njikọ ọbara na-eyi ndụ egwu, n'ihi na nsogbu njikọ ọbara na-abụkarị n'ihi ọtụtụ ihe ndị na-eme ka ọrụ njikọ ọbara na-emebi ahụ mmadụ. Mgbe nsogbu njikọ ọbara gasịrị, ahụ mmadụ ga-apụta ọtụtụ ihe mgbaàmà ọbara na-agba. Ọ bụrụ na ọbara ọgbụgba dị oke njọ emee n'ime ụbụrụ, ọ na-eyi ndụ egwu. N'ihi na nsogbu njikọ ọbara nwere ike ịbụ n'ihi ọtụtụ ọrịa dị iche iche, ụkọ vitamin K a na-ahụkarị n'ụlọ ọgwụ, mgbasa nke coagulation intravascular, ọrịa imeju siri ike, hemophilia a, hemophilia b, ọrịa von Willebrand, wdg. Nsogbu njikọ ọbara nwere ike ime n'ọrịa ndị a.

Ọ bụrụ na ọ bụ onye ọrịa nwere nnukwu hemophilia A, o doro anya na ọ na-agba ọbara, ọ dịkwa mfe ịkpalite ọbara ọgbụgba mgbe obere mmerụ ahụ gasịrị. Ọ bụrụ na onye ọrịa nwere nnukwu hemophilia A enweta mmerụ ahụ, ọ dị mfe ịkpalite nnukwu ọbara ọgbụgba n'ụbụrụ, nke na-etinye ndụ onye ọrịa n'ihe ize ndụ. Na mgbakwunye, nnukwu coagulation intravascular na-agbasakwa ngwa ngwa na-enwe nnukwu ọbara ọgbụgba n'ihi oriri nke ihe dị iche iche na-akpata coagulation na nsogbu coagulation, nke na-eduga n'ọnwụ ngwa ngwa nke ndị ọrịa.