Fetal research involves studying the development and health of a fetus during pregnancy. This research can provide valuable insights into prenatal care, genetic disorders, and the effects of environmental factors on fetal growth. Scientists often use advanced imaging techniques and biological samples to gather data. Ethical considerations are crucial in fetal research, as it involves both the mother and the unborn child. Regulations and guidelines, such as those set by the National Institutes of Health, help ensure that research is conducted responsibly and with respect for the rights and well-being of participants.