6 Recommendations for further research
6.1 The Committee was aware that a test is currently being developed that determines fetal blood type by genotyping of fetal DNA present in the maternal circulation.
6.2 Head-to-head trials of single-dose versus two-dose RAADP regimens are required to establish relative efficacy.
6.3 A study to better estimate the disutility of fetal and neonatal loss, as well as the disutility to parents who experience such a loss, is required.