Venous hemodynamics and volume homeostasis are important aspects of cardiovascular physiology. However, today their relevance is still very much underappreciated. Their most important role is maintenance and control of venous return and, as such, cardiac output.
A high-flow/low-resistance circulation, remaining constant under physiological circumstances, is mandatory for an uncomplicated course of pregnancy.
In this article, characteristics of normal and abnormal venous and volume regulating functions are discussed with respect to normal and pathologic outcomes of pregnancy, and current (non-invasive) methods to assess these functions are summarized.

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doi.org/10.1002/uog.18952, hdl.handle.net/1765/109730
Ultrasound in Obstetrics and Gynecology
Erasmus MC: University Medical Center Rotterdam

Gyselaers, W.J, Spaanderman, M.E.A, Bruckmann, A. (A.), Cockcroft, J.R, Cornette, J.M.J, Duvekot, J.J, … Wilkinson, I. (I.). (2018). Assessment of venous hemodynamics and volume homeostasis during pregnancy. Ultrasound in Obstetrics and Gynecology, 52(2), 174–185. doi:10.1002/uog.18952