The transmission of transfused sickle-trait cells from mother to fetus.
D000740:Anemia; D000755:Anemia, Sickle Cell; D005260:Female; D005333:Fetus; D006801:Humans; D009035:Mothers; D010920:Placenta / Q000502:physiology*; D011247:Pregnancy / Q000502:physiology
ANEMIA, SICKLE CELL; PLACENTA/physiology; PREGNANCY/physiology