Figure 1.

Spina bifida surveillance period by country and registry, International Clearinghouse for Birth Defects Surveillance and Research. ¹Spain included information on elective termination of pregnancy for fetal anomalies from 1995 to 2014. ²Sweden included information on elective terminations of pregnancy for fetal anomalies from 1999 to 2014. ³Number of surveillance years. ECEMC, Registry of the Spanish Collaborative Study of Congenital Malformations; ECLAMC, Latin American Collaborative Study of Congenital Malformations; MCAR, Malta Congenital Anomalies Registry; OMNI‐Net = Ukraine Birth Defects Prevention Program; RENAC, National Network of Congenital Anomalies of Argentina; RYVEMCE, Mexican Registry and Epidemiological Surveillance of External Congenital Malformations; TROCA, Tabriz Registry of Congenital Anomalies; SMC, Soroka Medical Center; UK, United Kingdom; USA, United States of America