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Human Reproduction, Vol. 15, No. 4, 975-976, April 2000
© 2000 European Society of Human Reproduction and Embryology

Letters to the editor

Endogenous LH surge detection versus administration of HCG to correctly time intrauterine insemination: which provides a better pregnancy rate?

Juan A. Garcia-Velasco, Aydin Arici and Tony G. Zreik

Yale University School of Medicine, Department of Obstetrics and Gynecology, Reproductive Endocrinology Section, 333 Cedar Street, New Haven, CT 06520, USA

Dear Sir,

We have read with great interest the paper by Awonuga and Govindbhai (1999), investigating in a retrospective design whether or not waiting for a spontaneous LH before administering HCG in the presence of mature follicle(s) provided a higher probability of pregnancy. In their study, the authors did not find any difference in the pregnancy rate among the three different forms studied to time the artificial insemination: (i) endogenous LH surge; (ii) HCG administered after the LH surge was detected; and (iii) HCG given before the LH surge was observed.

Their study provides further data to the continuing debate on the best method available for ovulation prediction and detection for optimal timing of . . . [Full Text of this Article]

References

Awoniyi O. Awonuga

Department of Obstetrics and Gynecology, Wordsley Hospital NHS Trust, Wordsley, Stourbridge DY8 5QX, UK


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