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Fertil Steril. 1994 Oct;62(4):802-6.

Circulating autoimmune antibodies may be responsible for implantation failure in in vitro fertilization.

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  • 1Tel Aviv Sourasky Medical Center, Israel.

Abstract

OBJECTIVE:

To investigate the role of autoimmune factors as a possible cause for implantation failure as manifested by chemical pregnancy after IVF and ET.

DESIGN:

Anticardiolipin, anti-double-stranded DNA (dsDNA), antinuclear antibody, lupus anticoagulant, and rheumatoid factor serum levels were examined in patients with chemical pregnancies and in matched controls.

SETTING:

An IVF unit, university-based IVF program.

PATIENTS:

The study group included 21 patients who had one or more chemical pregnancies and no deliveries. The control group consisted of 21 patients who had conceived and delivered after IVF-ET treatment, without any history of fetal wastage, matched for age, type and duration of infertility, and number of previous IVF cycles.

RESULTS:

The incidence of circulating autoimmune antibodies in the study group was 33.3% (7/21). Three patients (14.2%) were positive for anticardiolipin, two (9.5%) were positive for antidsDNA, one (4.7%) for antinuclear factor, and one (4.7%) for rheumatoid factor. Autoimmune antibodies were not detected in any of the control group.

CONCLUSION:

Autoimmunity may play a role in implantation failure in IVF-ET. Circulating autoimmune antibody screening is therefore recommended after chemical pregnancy.

PMID:
7926091
[PubMed - indexed for MEDLINE]
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