TABLE 2.
Birth cohort studies.
| Cohort | Families | Year Started (Ended) |
| Avon Longitudinal Study of Parents and Children (ALSPC) | 14,000 | 1990 |
| Dutch Generation R | 4,000 | 2001 |
| United Kingdom Millennium Cohort Study (MCS) | 21,000 | 2000 |
| Norwegian Mother, Father and Child Cohort Study (MoBA) | 100,000 | 1999 (2009) |
| Danish National Birth Cohort (DNBC) | 100,000 | 1996- |
| Greek Mother-Child Study (RHEA) | 1,600 | 2007 (2015) |
| Amsterdam-Born Children Development (ABCD) | 12,000 | 2003 |
| French EDEN Mother-Infant Study | 1,800 | 2003 |
| Growing Up in Australia | 10,000 | 2002 |
| Growing Up in New Zealand | 7,000 | 2009 |
| Growing Up in Scotland | 10,000 | 2004 |
| Growing Up in Ireland | 18,000 | 2008 |
| China Anhui Birth Cohort | 17,000 | 2008 |
| KUNO-Kids Germany | 5,000 | 2019 |
| China Shengjing Cohort | 1,000 | 2019 |
| Singapore GUSTO Birth Cohort | 1,100 | 2009 |
| Spanish INfncia y Medio Ambiente | 3,600 | 1997 (2008) |
| United Kingdom Born in Bradford | 30,000 | 2007 |
| FinnBrain Research | 3,000 | 2011 (2015) |