The Cochrane Library
- Abstract titled: Maternal hydration for increasing amniotic fluid volume in oligohydramnios and normal amniotic fluid volume.
- http://www.cochrane.org/reviews/en/ab000134.html

High-Risk Pregnancy - Amniotic Fluid Problems
- Description, causes, concerns, symptoms, and treatment for hydramnios and oligohydramnios.
- http://www.southeastmissourihospital.com/health/peds/hrpregnant/amniofp.htm

Institute for Advanced Medical Education: Oligohydramnios
- Introduction, assessment, sonograms, etiology, references, and a quiz.
- http://www.iame.com/learning/olig/olig.html

Oligohydramnios
- A case study, including ultrasound images, from the Department of Radiology at Brigham and Women's Hospital.
- http://brighamrad.harvard.edu/Cases/bwh/hcache/31/full.html

Oligohydramnios: When Amniotic Fluid is Too Low
- Article from Pregnancy Today.
- http://pregnancytoday.com/reference/articles/oligohydramnios.htm