I am RH A neg blood,my husband is RH A pos...i have a 11 year old son who is RH A neg,we have not been able to concieve since,i was given a Anti D 6 weeks before concieveing my son due to a miscarriage before him...since then i have had 4 miscarriages and the last one being 9 months ago...is it possible to have the anti D injection while trying to concieve to stop me having a miscarriage as i have not been able to carry any longer than 5 - 6 weeks,and unless we know straight away then i miscarry straight away