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The return of fertility after removal of Nova T or Copper T 200 IUDs was studied in 150 women who had a removal for planning pregnancy in a study performed for the comparison of the clinical performance of these IUDs in Denmark, Finland, and Sweden. There was no significant difference in the return of fertility of women having used either device. The cumulative probability of pregnancy per 100 women after the removal of the IUD, as a net rate, was 77.3 at one year, 88.9 at two years and 92.4 at three years. The return of fertility was analyzed separately for those women who had used their IUD for less than two years and for two or more years. The duration of the use had no significant effect on the return of fertility. The outcome of pregnancy, the birth weight, the condition at delivery and the sex ratio of the newborns were normal in the participating countries.
T Pyörälä, and
H Allonen, and
K G Nygren, and
N C Nielsen, and
T Luukkainen
December 1992,
Contraception,
T Pyörälä, and
H Allonen, and
K G Nygren, and
N C Nielsen, and
T Luukkainen
June 1987,
Advances in contraception : the official journal of the Society for the Advancement of Contraception,
T Pyörälä, and
H Allonen, and
K G Nygren, and
N C Nielsen, and
T Luukkainen
March 1980,
Ugeskrift for laeger,
T Pyörälä, and
H Allonen, and
K G Nygren, and
N C Nielsen, and
T Luukkainen
January 1984,
Acta obstetricia et gynecologica Scandinavica,
T Pyörälä, and
H Allonen, and
K G Nygren, and
N C Nielsen, and
T Luukkainen
February 1987,
International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics,
T Pyörälä, and
H Allonen, and
K G Nygren, and
N C Nielsen, and
T Luukkainen
November 1983,
Contraception, fertilite, sexualite,
T Pyörälä, and
H Allonen, and
K G Nygren, and
N C Nielsen, and
T Luukkainen
May 1987,
Contraception,
T Pyörälä, and
H Allonen, and
K G Nygren, and
N C Nielsen, and
T Luukkainen
August 1980,
Contraception,
T Pyörälä, and
H Allonen, and
K G Nygren, and
N C Nielsen, and
T Luukkainen
March 1993,
Asia-Oceania journal of obstetrics and gynaecology,
T Pyörälä, and
H Allonen, and
K G Nygren, and
N C Nielsen, and
T Luukkainen
June 1987,
Contraception,
