Schedule of Prenatal Care. Specific schedules of prenatal care vary from provider to provider, but a general schedule follows below, as well as some of the screening tests or activities you might expect at various visits.
radioisotope. a radioactive form of an element, consisting of atoms with unstable nuclei, which undergo radioactive decay to stable forms, emitting characteristic alpha, beta, or gamma radiation. These may occur naturally, as in the cases of radium and uranium, or may be created artificially.
1. radioisotope-a radioactive isotope of an element; produced either naturally or artificially. tracer - (radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes.isotope-one of two or more atoms with the same atomic number but with different numbers of neutrons.. radioisotope-a radioactive isotope of an element; produced either naturally or artificially. tracer - (radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes.