Multifetal Gestation
Multifetal Gestation. Xiong yu Obstetric & Gynecology Hospital , Fudan University. Incidence. twins : 1:100 。 triplets : 1:10,000 。 quadruplets : 1:1,000,000 。 quintuplets : 1:100,000,000 。. Incidence. Between 1980 and 2005,the number of live births from twin deliveries rose
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