Miscarriage. A quarter of all women who become pregnant have a miscarriage, yet so many are left wondering why it happened, and how likely it is to happen again. Dr Graham Easton investigates the latest research, looking at new insights into the immunology and genetics of pregnancy that could help to pinpoint the causes of recurrent miscarriage. Producer Paula McGrath. E-MAIL: scirad@bbc.co.uk
Repeated tomorrow 4.30pm