1998 IVF procedures

 No. of

retrievals

 Canceled

   cycles

     (%)

 Transfers

Per retrieval

      (%)

   No. of

pregnancies

  No. of

deliveries

  Deliveries

Per retrieval

       (%)

   Multiple

  Births per

Delivery (%)

No male factor infertility

   Women <35 years of age

 16,648

   10.0

     93.4

    6,878

  5,948

      35.7

       43.4

   Women 35-37 years of age

   8,524

   14.7

     94.2

    3,109

  2,543

      29.8

       37.9

   Women 38-40 years of age

   7,063

   19.5

     92.7

    2,006

  1,498

      21.2

       29.0

   Women >40 years of age

   4,348

   24.6

     89.9

       721

     446

      10.3

       20.2

Male factor infertility

   Women <35 years of age

  7,546

     7.7

     94.7

    3,042

  2,647

      35.1

       40.3

   Women 35-37 years of age

  3,147

   11.6

     94.8

    1,206

  1,000

      31.8

       35.5

   Women 38-40 years of age

  2,366

   14.6

     92.9

       750

     563

      23.8

       31.8

   Women >40 years of age

  1,129

   19.1

     91.9

       231

     144

      12.8

       13.9

       1998 totals

50,771

   13.9

     93.6

  17,943

 14,789

      29.1

       38.2

       1997 totals

44,170

   14.0

     93.4

  15,047

 12,302

      27.9

       39.0