释义 |
DictionarySeetwinvanishing twin The spontaneous regression of a 2nd gestational product, which occurs in 20% of twin gestations Diagnosis Ultrasound in 1st trimestervanishing twin The spontaneous regression of a 2nd gestational product, which occurs in 20% of twin gestations Diagnosis Ultrasound in 1st trimester. Cf Twins. vanishing twinFetal resorption in multiple gestation. See: gestation, multipleSee also: twin |