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1 Μαΐ 2023 · Solid understanding of how each imaging modality contributes to fetal radiation exposure, techniques to reducing radiation exposure in the fetus, and adverse consequences of high radiation exposure is critical in providing the most appropriate imaging studies for pregnant patients.
There are radiation-related risks throughout pregnancy that are related to the stage of pregnancy and the fetal absorbed dose. Radiation risks are most significant during organogenesis and the early fetal period, somewhat less in the second trimester, and least in the third trimester;
15 Νοε 2011 · Unborn babies are less sensitive during some stages of pregnancy than others. However, fetuses are particularly sensitive to radiation during their early development, between weeks 2 and 18 of pregnancy. The health consequences can be severe, even at radiation doses too low to make the mother sick.
24 Απρ 2024 · Most of the ways someone who is pregnant may be exposed to radiation, such as from a diagnostic medical exam or an occupational exposure within regulatory limits, are not likely to cause health effects for a fetus.
15 Νοε 2021 · In this paper we consider exposures of pregnant women, chiefly in medical settings, review the effects of low, moderate and high dose radiation exposures on the embryo and foetus, and evidence for any difference in the response of pregnant women to radiation.
Obstetrician– gynecologists and other health care providers caring for pregnant and breastfeeding women in need of diagnostic imaging should weigh the risks of exposure to radiation and contrast agents with the risk of nondiagnosis and worsening of disease.
The potential biological effects of in utero radiation exposure of a developing fetus include prenatal death, intrauterine growth restriction, small head size, mental retardation, organ malformation, and childhood cancer. The risk of each effect depends on the gestational age at the time of exposure, fetal cellular repair mechanisms, and the ...
