Which intrinsic influence on fetal heart rate includes the Central Nervous System?

Intrinsic influences on fetal heart rate pertain to internal factors that originate from within the fetus itself. These influences include the Central Nervous System (CNS), which plays a crucial role in regulating heart rate through autonomic control mechanisms. The CNS can modulate heart rate via sympathetic and parasympathetic pathways, affecting how the heart responds to physiological stimuli and environmental changes.

The connection between the CNS and fetal heart rate highlights the inherent capacity of the fetus to adjust its heart rate in response to various conditions, such as stress or changes in oxygen levels. This autoregulation is vital for maintaining optimal fetal health and response to intrauterine conditions.

Other categories like extrinsic influences involve external factors affecting the fetus, such as maternal health and behaviors, environmental influences encompass the external surroundings impacting fetal development, and biomechanical influences involve physical forces acting on the fetus, such as movements or pressure. However, these do not directly involve intrinsic functions of the fetal body or its nervous system.