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. Author manuscript; available in PMC: 2010 Oct 1.
Published in final edited form as: Am J Obstet Gynecol. 2009 Aug 15;201(4):394.e1–394.11. doi: 10.1016/j.ajog.2009.06.042

Table 1.

Study Population Characteristics

Characteristic Trios Duos Total
Race
   Caucasian 142 84 226
   Mexican American 168 166 334
   African American 4 14 18
   Asian American 2 2 4
   Other 7 5 12
   Unknown 6 10 16
Gender
   Male 143 115 258
   Female 150 123 273
   Unknown 36 43 79

Total of 610 families, 329 trios, 281 duos are genotyped