MADRID—A 49-year-old woman took the stand Tuesday to accuse an elderly gynecologist of abducting her days after she was born and handing her to an infertile couple, in the first trial over what thousands of Spaniards allege was an extensive conspiracy to steal and sometimes sell babies.
Inés Madrigal told a three-judge panel in Madrid that the woman she had always considered her biological mother confessed to her before she died that a gynecologist named Eduardo Vela had given her a baby in June 1969. Dr. Vela told her to...