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The risk for the mother of later acquiring radiation-induced breast cancer seems to be particularly high for radiation doses during pregnancy. [ 6 ] This is an important factor when for example determining whether a ventilation/perfusion scan (V/Q scan) or a CT pulmonary angiogram (CTPA) is the optimal investigation in pregnant women with ...
Transvaginal scans usually provide clearer pictures during early pregnancy and in obese women. Also used is Doppler sonography which detects the heartbeat of the fetus. Doppler sonography can be used to evaluate the pulsations in the fetal heart and bloods vessels for signs of abnormalities. [5]
Her results were initially regarded as unsound. Her findings on fetal damage caused by x-rays of pregnant women were eventually accepted worldwide and the use of medical x-rays during pregnancy and early childhood was curtailed as a result (although it took around two and a half decades). [5] Stewart retired in 1974.
Cancer can also be induced by irradiation, which generally occurs from day 51-280 of pregnancy. [8] Most X-rays occur during the third trimester of pregnancy. [8] There is sparse information on radiation exposure from the first trimester of pregnancy. [8] However, data suggests that the relative risk is 2.7. [8]
The deleterious effects of thyroid dysfunction can also extend beyond pregnancy and delivery to affect neurointellectual development in the early life of the child. [39] Demand for thyroid hormones is increased during pregnancy, and may cause a previously unnoticed thyroid disorder to worsen. [citation needed]
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A Cochrane review in 2017 found that there was too little evidence to show whether X-ray pelvimetry is beneficial and safe when the baby is in cephalic presentation. [ 3 ] A review in 2003 came to the conclusion that pelvimetry does not change the management of pregnant women, and recommended that all women should be allowed a trial of labor ...
Another user raised concern about taking X-rays of a pregnant animal -- but according to a veterinary hospital employee, it is completely safe. "We actually take x-rays of pregnant dogs all the ...