How Do You Spell HB A1C?

Correct spelling for the English word "Hb A1c" is [ˌe͡ɪt͡ʃbˈiː ˌe͡ɪ wˈɒn sˈiː], [ˌe‍ɪt‍ʃbˈiː ˌe‍ɪ wˈɒn sˈiː], [ˌeɪ_tʃ_b_ˈiː_ ˌeɪ w_ˈɒ_n s_ˈiː] (IPA phonetic alphabet).