A study for the appropriate starting time of assisted reproductive technology for the patients with infertility.

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This study was conducted to assess the usefulness and limitations of conventional methods for treating patients with infertility, so as to determine the most appropriate time for assisted reproductive technology (ART). Six hundred and eighty two couples with infertility treated in Shiga university hospital for ten years since 1984 were studied. In all case, age exceeded 29 years old and those with infertility for more than four years showed fewer pregnancies. Conception for each infertility factor was 59.9% in patients with ovulatory disorder, 46.6% with luteal phase defect, 31.0% in endometriosis, 20.6% for the tubal factor, 21.9% for the male factor and 15.3% for others. In the first 30 months after the start of treatment 89.1% of the women were pregnant and only 10.9%were pregnant during the following 36 months. It is evident from the present study that, for patients after 30 months treatment by conventional methods, more than 29 years of age, more than four years infertility or tubal, male, uterine factor or unknown factors, the pregnancy rate is low and they ART should be recommended. [Adv Obstet Gynecol 49 (2); 99-105, 1997 (H9.3)]
近畿産科婦人科学会の論文