Figure 3. The correlation between GDP per capita and number of ART treatment cycles from 2012 USA data (a). The correlation between LogGDP and pregnancy rate (b) and delivery rate (c) in ART cycles, respectively. CC: correlation coefficient.
Figure 3.
The correlation between GDP per capita and number of ART treatment cycles from 2012 USA data (a). The correlation between LogGDP and pregnancy rate (b) and delivery rate (c) in ART cycles, respectively. CC: correlation coefficient.