* Conducted at a hospital in western French Guyana from 1992 to 2004, the retrospective cohort study included 29 women and examined outcomes like pre-eclampsia, preterm delivery, and neonatal mortality.
* Results indicated that prophylactic transfusions reduced vaso-occlusive crises and preterm deliveries but led to an increase in intrauterine growth restriction, suggesting a mixed impact on complications, warranting further research through a randomized study.