Autoantibodies and pregnancy wastage

Area of Science:

• Reproductive immunology
• Obstetrics and Gynecology
• Autoimmune diseases

Background:

• Established link between antiphospholipid antibodies and adverse pregnancy outcomes.
• Review of evidence for autoimmune disorders causing unexplained obstetric complications without antiphospholipid antibodies.
• Exploration of nonspecific serologic abnormalities in women with poor obstetric history and no clinical autoimmune signs.

Purpose of the Study:

• To review evidence associating systemic autoimmune disorders with unexplained obstetric complications.
• To investigate the role of autoantibodies beyond antiphospholipid antibodies in fetal wastage.
• To suggest research directions for identifying novel autoantibodies in adverse pregnancy outcomes.

Main Methods:

• Literature review of studies on autoimmune disorders and obstetric complications.
• Analysis of serologic abnormalities in women with unexplained fetal demise.
• Correlation of clinical signs of vasospasm with autoimmune markers.

Main Results:

• Antiphospholipid antibodies are associated with poor pregnancy outcomes, leading to advanced treatments.
• Evidence suggests a link between systemic autoimmune disorders and unexplained obstetric complications, even without antiphospholipid antibodies.
• Nonspecific serologic abnormalities in women with poor obstetric histories hint at other autoantibodies involved in fetal wastage.

Conclusions:

• Treatment options for poor pregnancy outcomes have improved due to understanding antiphospholipid antibodies.
• Further research is needed to identify autoantibodies associated with unexplained fetal demise and obstetric complications.
• Investigating autoantibodies targeting antigens common to trophoblastic and vascular cells may elucidate mechanisms of vasospasm and fetal loss.