Table 11.3Comparison of clinical pregnancy rates per cycle started by age of woman based on fresh (not frozen) embryo transfer and excluding donor eggs, 1995 to 1999 (Source: Human Fertilisation and Embryology Authority)

Age (years)Treatment cycles (n)Clinical pregnancies (n)Clinical pregnancy rate per treatment cycle (%)
183266.7
1915320.0
2054916.7
21831416.9
222485823.4
2343811426.0
2482720324.5
25136533324.4
26214353725.1
27332481224.4
284342110025.3
295656141325.0
306991176925.3
318266201624.4
329061220124.3
339435225723.9
349850230723.4
359301205322.1
368337170920.5
377623140318.4
386597111416.9
39560280514.4
40402152012.9
4127802729.8
4218181266.9
431238816.5
44730294.0
4539071.8

From: 11, Factors affecting the outcome of in vitro fertilisation treatment

Cover of Fertility
Fertility: Assessment and Treatment for People with Fertility Problems.
NICE Clinical Guidelines, No. 11.
National Collaborating Centre for Women's and Children's Health (UK).
London (UK): RCOG Press; 2004 Feb.
Copyright © 2004, National Collaborating Centre for Women’s and Children’s Health.

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