The Aberdeen Obstetric Data Bank.
An obstetric-neonatal-gynecological data bank has been developed for the Aberdeen District in Scotland and is now fully computerized. Within it, a twin register including over 550 pairs of known placentation and zygosity has developed.
D003625:Data Collection; D005260:Female; D006176:Gynecology; D006801:Humans; D009774:Obstetrics; D011247:Pregnancy; D012042:Registries; D012606:Scotland; D014427:Twins