Parental fertility and infant hypospadias: an international case-control study.

@article{Klln1991ParentalFA,
  title={Parental fertility and infant hypospadias: an international case-control study.},
  author={Bengt K{\"a}ll{\'e}n and Eduardo Enrique Castilla and Morten L. Kringelbach and P. A. L. Lancaster and M L Martinez-frias and Pierpaolo Mastroiacovo and Osvaldo M. Mutchinick and Elisabeth Robert},
  journal={Teratology},
  year={1991},
  volume={44 6},
  pages={629-34}
}
The authors have performed an international case-control study on the significance of exogenous hormones for the origin of hypospadias (Källén et al., 1991 a,b). Using data from this study on 846 infants with isolated hypospadias and equally many controls (next male infant born in the same hospital as the case), variables that might indicate an increased rate of fertility problems in couples who had a boy with hypospadias were studied. Cases had slightly fewer previous pregnancies, there was… CONTINUE READING

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