|Embryology - 22 Mar 2019 Expand to Translate|
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While this site focusses on human prenatal development, one major impact on this process are those associated with maternal changes during pregnancy.
Some Recent Findings
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Placental regulation of maternal neuroendocrine and neural function.
Placentally produced steroid hormones determine forward maternal planning by directing/orchestrating maternal physiology and postnatal maternalism to synchronize with the development of the fetus.
There are many maternal physiological changes during and after pregnancy. This section introduces just the anatomical changes that must occur to simply accomodate the growing fetus.
Make Room for Baby! (2017)
The Position of the Uterus and Fetus at Term (1872).
By end of embryonic period maternal cardiac output has increased by 20% and will eventually increase by about 40% during the entire pregnancy. The cardiac output is increased by both stroke volume and an increase in the maternal heart rate.
Along with these cardiac changes there is also a 25–30% fall in systemic vascular resistance due to peripheral vasodilation. The fall in vascular resistance also impacts upon renal function.
WHO map maternal mortality ratio (2015)
- Braune W. An atlas of topographical anatomy after plane sections of frozen bodies. (1877) Trans. by Edward Bellamy. Philadelphia: Lindsay and Blakiston.
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Cite this page: Hill, M.A. (2019, March 22) Embryology Maternal Development. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Maternal_Development
- © Dr Mark Hill 2019, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G