Fetal Growth
Fetal Growth - Related Videos
14:19
Fetal Echocardiography and Pulsed-wave Doppler Ultrasound in a Rabbit Model of Intrauterine Growth Restriction
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Cited by 11 •
2013
We describe examination of fetal cardiac function with contemporary functional fetal echocardiography and fetoplacental Doppler ultrasound using the VisualSonics VEVO 2100 microultrasound in a surgically induced model of intrauterine fetal growth restriction in a rabbit.
08:04
Murine Fetal Echocardiography
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Cited by 7 •
2013
Fetal and perinatal death is a common feature when studying genetic alterations affecting cardiac development. High-frequency ultrasound imaging has improved 2-D resolution and can provide excellent information on early cardiac development and is an ideal method to detect the impact on cardiac structure and function prior to death.
09:35
An Experimental System to Study Mechanotransduction in Fetal Lung Cells
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Cited by 7 •
2012
Mechanical forces play a key role in lung development and lung injury. Here, we describe a method to isolate rodent fetal lung type II epithelial cells and fibroblasts and to expose them to mechanical stimulation using an in vitro system.
06:31
Transuterine Fetal Tracheal Occlusion Model in Mice
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Cited by 2 •
2021
Various animal models of congenital diaphragmatic hernia and fetal tracheal occlusion present advantages and disadvantages regarding ethical issues, cost, surgical difficulty, size, survival rates, and availability of genetic tools. This model provides a new tool to study the impact of both tracheal occlusion and increased luminal pressure on lung development.
14:26
Progenitor-derived Oligodendrocyte Culture System from Human Fetal Brain
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Cited by 38 •
2012
Primary, human fetal brain-derived, multipotential progenitor cells proliferate in vitro while maintaining the capacity to differentiate into neurons and astrocytes. This work shows that neural progenitors can be induced to differentiate through stages of the oligodendrocytic lineage by conditioning with select growth factors.
FAQs
Genetic factors provide part of the developmental trajectory, while the placenta supports that trajectory by delivering oxygen and nutrients. These influences work alongside coordinated cell proliferation and differentiation, the processes through which cell numbers increase and cells acquire specialized roles. Variation in inherited influences or placental supply can alter the expected pattern of prenatal development.
Oxygen and nutrient delivery link placental function to the fetus’s ability to sustain development. Adequate transfer supports the cellular processes underlying increasing size, mass, and organ maturity, whereas altered supply may shift the growth trajectory. For clinicians and researchers, this relationship makes growth measurements useful as indicators of the intrauterine environment, not only as size estimates.
Maternal health and the intrauterine environment can modify growth even when fetal development is considered within a genetic framework. Their effects may influence how effectively the pregnancy supports oxygen and nutrient delivery and how development proceeds over time. This is why prenatal assessment considers growth as a response to interacting fetal, placental, maternal, and environmental influences rather than as an isolated measurement.
Clinicians assess fetal growth with ultrasound measurements, estimated fetal weight, and growth charts. Ultrasound provides measurements that contribute to size assessment, while estimated fetal weight summarizes those findings for clinical interpretation. Comparing results with growth charts helps place the fetus within an expected pattern and provides a structured basis for identifying possible departures from typical development.
Growth charts help distinguish a pattern considered normal from possible growth restriction or excessive growth. These categories are clinically important because they convert size-related assessments into information for risk evaluation. Interpreting a measurement against a chart therefore helps clinicians recognize whether the observed pattern aligns with expected development or warrants closer attention during pregnancy.
Monitoring growth supports prenatal care by informing risk evaluation, ongoing observation, and care decisions. In medicine, the same assessments also contribute to research on placental function and maternal influences on neonatal health. Thus, measurements have both immediate clinical value and broader scientific relevance, connecting prenatal findings with questions about how the intrauterine environment affects outcomes after birth.