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  • Title: Relationship between serum antisperm antibodies and anticardiolipin antibodies and clinical pregnancy outcome in an in vitro fertilization and embryo transfer program.
    Author: Tian X, Zhang L, Wu Y, Yang C, Liu P.
    Journal: Chin Med J (Engl); 1999 Jan; 112(1):34-6. PubMed ID: 11593637.
    Abstract:
    OBJECTIVE: To study the influence of maternal immunological factors on clinical pregnancy outcome in an in vitro fertilization and embryo transfer (IVF-ET) program. METHODS: One hundred and fifty IVF-ET treatment cycles from November 1995 to November 1996 were studied. The indication for IVF-ET treatment was bilateral blocked tubes. Serum antisperm antibodies and anticardiolipin antibodies were measured using enzyme-linked immunosorbent assay (ELISA). Cleavage rate and successful pregnancy rate in relation to antibody status of infertile women after IVF-ET treatment were assessed. RESULTS: Lower cleavage rate (64.2% +/- 32.1%) was found in 44 cycles of antisperm antibody seropositive women, compared with 84.8% +/- 18.7% in 106 cycles of seronegative women (P < 0.05). The clinical pregnancy rate was 31.8% in antisperm antibody-positive cycles and 20.8% in negative cycles (P > 0.05). The abortion rates of the two groups were similar (P > 0.05). Lower pregnancy rate (9.5%) was found in 21 cycles of serum anticardiolipin antibody-positive group, compared with 26.3% in 129 cycles of seronegative women (P < 0.05). Of patients with bio-chemical pregnancy and no pregnancy, 20.0% and 16.2%, respectively, had seropositive anticardiolipin antibody, compared with 5.6% of patients with clinical pregnancy (P < 0.05). CONCLUSION: Serum immunological factors may play a part in clinical pregnancy outcome in IVF-ET.
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