https://www.bbc.com/news/world-us-canada-55340244

https://www.nhsinform.scot/healthy-living/immunisation/vaccines/coronavirus-covid-19-vaccine/pregnancy-breastfeeding-and-the-coronavirus-vaccine

https://www.gov.uk/government/publications/covid-19-vaccination-women-of-childbearing-age-currently-pregnant-planning-a-pregnancy-or-breastfeeding/covid-19-vaccination-a-guide-for-women-of-childbearing-age-pregnant-planning-a-pregnancy-or-breastfeeding