The Investigation and Treatment of Couples with Recurrent First- trimester and Second-trimester Miscarriage (guideline)
https://www.rcog.org.uk/globalassets/documents/guidelines/gtg_17.pdf
Evidence-based guidelines for the investigation and medical treatment of recurrent miscarriage
https://academic.oup.com/humrep/article-pdf/21/9/2216/9681139/del150.pdf
Comparison of two preventive treatments for patients with recurrent miscarriages carrying a C677T methylenetetrahydrofolate reductase mutation: 5-year experience
http://journals.sagepub.com/doi/pdf/10.1177/0300060516675111