| Prognostic Value of Day 3 Inhibin-B on Assisted Reproductive Technology Outcome. |
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Sang Wook Bai, Jin Young Kim, Kyung Sool Lee, Jong Gun Won, Yong Joo Lee, Ji Won Yi, Kyung Hwan Chang, Byung Seok Lee, Ki Hyue Park, Dong Jae Cho, Chan Ho Song |
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| Abstract |
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This study was performed to determine if women with day 3 serum inhibin-B concentrations <45pg/ml (conversion factor to SI unit, 1.00) demonstrate a pro. response to ovulation induction and assisted reproductive technology outcome to women with inhibin-B > or = 45pg/ml, independant of day 3 FSH, E2 and patient age. From Jan 1996 to Dec 1996, 16 volunteers patients who underwent 25 IVF cycles with luteal phase GnRH agonist suppression and HMG stimulation were allocated to the study group. We evaluated day 3 serum inhibits-B, FSH, E2, peak E2, cancellation rate per initiated cycle (%) and clinical pregnancy rate per initiated cycle (%) according to the above two groups and independent of patient age, day 3 FSH, day 3 E2 and all of above combined. Women with day 3 serum inhibin-B > or =45pg/m1 demonstrated higher average day 3 inhibits-B level, clinical pregnancy rate per initiated cycle (20.3+/-2.5 pg/ml vs 80.9+/- 5.0pg/ml, p<0.05; 24.8% vs 8.5%, p<0.05) and lower day 3 FSH level, cancellation rate per initiated cycle (6.9+/-0.3 mIU/ml vs 8.5+/-0.5 mIU/ml, p<0.05; 1.5% vs 9.0%, p<0.05). Women with day 3 serum inhibin> or =45pg/ml and age<40 year demonstrated higher pregnancy rate per initiated cycle (28.2% vs 7.4%, p<0.05) and lows. day 3 FSH level, cancellation rate per initiated cycle (6.9+/-0.5 mIU/ml vs 8.2+/-0.7 mIU/ml, p<0.05; 1.0% vs 9.0%, p<0.05). Women with day 3 serum inhibin> or =45pg/ml and day 3 FSH<15mIU/inl demonstrated higher pregnancy rate per initiated cycle (33.5% vs 9.5%, p<0.05) and lower day 3 FSH level, cancellation rate per initiated cycle (7.7+/- 0.2 mIU/ml vs 8.5+/-0.5 mIU/ml, p<0.05; 1.5% vs 10.0%, p<0.05). Women with day 3 serum inhibin> or =45pg/ml and day 3 E2<50pq/ml demonstrated higher pregnancy rate per initiated cycle (30.0% vs 9.5%, p<0.05) and lower cancellation rate per initiated cycle (1.5% vs 9.5%, p<0.05). Women with day 3 serum inhibin> or =45pg/ml, age<40 year, day 3 FSH<15mIU/ml and day 3 E2<50pg/m1 demonstrated higher pregnancy rate per initiated cycle (30.0% vs 10.8%, p<0.05) and lower day 3 FSH level, cancellation rate per initiated cycle (6.8+/-0.6 mIU/ml vs 8.4+/-0.9 mIU/ml, p<0.05; 1.5% vs 7.8%, p<0.05). Therefore women with low day 3 serum inhibits-B concentrations demonstrate a poorer response to ovulation induction and are less likely to conceive a clinical pregnancy though ART relative to women with high day 3 inhibits-B and day 3 serum inhibin-B, in addition to a day 3 FSH, E2 and patient age, appears helpful in prediction in IVF-ET outcome. |
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