11.   Couples with secondary infertility have a higher pregnancy success rate with treatment.

12.   Crime, teenage pregnancy rates and welfare rolls are all down and real wages, home ownership, school test scores and charitable giving levels are all up.

13.   Doctors know that a low pregnancy rate can spell doom for their clinic.

14.   Efforts to reduce these rates by transferring fewer embryos can lead to a lower pregnancy rate, making patients and clinic directors alike unhappy.

15.   Even in Arizona, where the teen pregnancy rate is higher than the national average, teens reportedly are having sex less often and using contraceptives more.

16.   Furthermore, some abortion opponents say parental notification reduces the number of teens who have abortions because it reduces the teen pregnancy rate.

17.   Happily, teen pregnancy rates in the United States have been dropping.

18.   I could make my pregnancy rates look better by not allowing them to cycle.

19.   In his appearance in the State Dining Room, Clinton noted that recent statistics showed crime rates falling, pregnancy rates among teen-agers dropping and wage inequalities narrowing.

20.   In the end, the differing pregnancy rates between the two groups of women proved too significant to ignore.