Fetal programming research can be defined as the program which is conducted during the prenatal period. It assess the physical and economic status of the mother during pregnancy. It also assess the surrounding environment of mother. If mother is experiencing poverty hazards then the prenatal development will be affected ,which can result in diseases and health risk to infant in later stages of life.
The answer is C because transportation regulation is going to prevent overcrowding and therefore help with good hygiene. this prevents the spread of germs.