With little safety data available, individuals who are pregnant must weigh up the risks and benefits for themselves, while evidence for those who are breastfeeding is more clear
Source:
https://www.newscientist.com/article/mg24933203-700-coronavirus-vaccine-what-should-you-do-if-pregnant-or-breastfeeding/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home