About: http://webisa.webdatacommons.org/24701951

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Most nutrients are needed in greater amounts by a pregnant woman, but some are especially important, including folic acid (vitamin B9), calcium, iron, and omega-3 fatty acids.
http://www.w3.org/ns/prov#wasQuotedFrom	ck12.org