Name	Info	Provider	Link
	free resource	BioMed Central	https://bmcpregnancychildbirth.biomedcentral.com/articles/10.1186/s12884-019-2405-5
Health Problems in Pregnancy	free resource	MedlinePlus Health Information	https://medlineplus.gov/healthproblemsinpregnancy.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31331287/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/31331287