Low amniotic fluid levels: oligohydramnios. American Pregnancy Association website. Available at:
Updated January 2007. Accessed June 20, 2013.
Pregnancy complication. March of Dimes website. Available at:
http://www.marchofdimes.com/pregnancy/complications%5Foligohydramnios.html. Updated June 2011. Accessed June 10, 2013.
Prenatal ultrasound screening. EBSCO DynaMed website. Available at:
http://dynamed.ebscohost.com/about/about-us. Updated January 23, 2013. Accessed June 10, 2013.
The American College of Obstetricians and Gynecologists Committee. Medically indicated late-preterm and early-term deliveries.
Obstet Gynecol. 2013;121(4):908-910.
American Congress of Obstetricians and Gynecologists
American Pregnancy Association
The Society of Obstetricians and Gynaecologists of Canada