Anything other than by chance?
Ericsson
R J
RJ
D001741:Black or African American / Q000706:statistics & numerical data*; D001723:Birth Rate / Q000639:trends*; D002996:Clomiphene / Q000627:therapeutic use*; D005260:Female; D005300:Fertility Agents, Female / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D008571:Men; D010062:Ovulation Induction / Q000379:methods*; D014481:United States / Q000453:epidemiology; D044465:White People / Q000706:statistics & numerical data*
D005300:Fertility Agents, Female; D002996:Clomiphene