Original sentence: Foetal haemoglobin, or Fetal hemoglobin in American English, (also hemoglobin F or HbF) is the main oxygen transport protein in the fetus during the last seven months of development in the uterus and in the newborn until roughly 6 months old
Edited sentence: Fetal hemoglobin, or foetal haemoglobin, (also hemoglobin F or HbF) is the main oxygen transport protein in the fetus during the last seven months of development in the uterus and in the newborn until roughly 6 months old