1. UpToDate. December 2020. “Prenatal Care: Initial Assessment.”
https://www.uptodate.com/contents/prenatal-care-initial-assessment#H63919208
[Accessed December 2020]

2. UpToDate. June 2020. “Prenatal af rolex cellini mens rolex calibre 9015 mingzhu engine m50525 0008 silver dial automatic Care: Second and Third Trimesters.”
https://www.uptodate.com/contents/prenatal-care-second-and-third-trimesters#H21417058
[Accessed December 2020]