Skip to main content
. 2010;2(2):111–114.

Table II. 2006 National Multiple Births and 2005 Institute of Medicine (IOM) ART Preterm Delivery Percentages.

2006 National Multiple Births Twins Triplets or More Total

2006 SART (Fresh Embryos from Non-Donor Oocytes only) 7.433 5% 472 7%
Ovulation Induction (OI) & Ovulation Enhancement (OE) 52.872 39% 4.490 69%
Natural Mutiples 76.780 56% 1.578 24%
Total Multiple Births 137.085 6.540


SART 7.433 472
IOM Preterm % 61,7% 97,2%
Est SART Preterm Deliveries 4.586 459
Number of Infants per Pregnancy 2 3
Total Number of Infants 9.172 1.376 10.549
IOM Cost per Infant Born Preterm $ 51.500 $ 51.500
Estimated SART Costs $ 472.374.583 $ 70.882.128 $ 543.256.711 12%


OI & OE 52.872 4.490
IOM Preterm % 61,7% 97,2%
Est OI & OE Preterm Deliveries 32.622 4.364
Number of Infants per Pregnancy 2 3
Total Number of Infants 65.244 13.092 78.336
IOM Cost per Infant Born Preterm $ 51.500 $ 51.500
Estimated OI & OE Costs $ 3.360.069.108 $ 674.242.913 $ 4.034.312.021 88%


SART & OI & OE 60.305 4.962
IOM Preterm % 61,7% 97,2%
Est SART & OI & OE Preterm Deliveries 37.208 4.823
Number of Infants per Pregnancy 2 3
Total Number of Infants 74.416 4.468 88.885
IOM Cost per Infant Born Preterm $ 51.500 $ 51.500
Estimated SART & OI & OE Costs $ 3.832.443.691 $ 745.125.041 $ 4.577.568.732