Eating eggs when pregnant affects breast cancer in offspring EurekAlert (press release), DC - 40 minutes ago ... consuming choline?a nutrient found in eggs and other foods?during pregnancy may significantly affect breast cancer outcomes for a mother's offspring. ...
Small stresses in pregnancy affects child Sydney Morning Herald, Australia - Even relatively minor, everyday stress during pregnancy may affect the brain of the growing foetus and cause problem behaviour by the time the child reaches ...
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Controlling Diabetes During Pregnancy American Profile, TN - Nov 30, 2008 Gestational diabetes?a blood sugar imbalance that occurs only during pregnancy and afflicts about 5 percent of expectant moms?can be a frightening diagnosis ...
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Ultrasound during pregnancy may disrupt foetus’ brain
ISLAMABAD: Exposure to ultrasound during pregnancy may disrupt the brain development of the foetus, revealed a study conducted on mice but scientists say it is too early to apply the findings to humans.
Pasko Rakic and colleagues at Yale Medical School in New Haven, Connecticut, used a chemical to trace brain cells in growing mouse embryos.
They exposed the embryos to ultrasound shortly afterwards, late into the third week of gestation, a crucial period for mice in which brain cells become organised, reported the online edition of New Scientist.
Dissections following the birth of the mice showed that a small percentage of brain cells had not migrated to their normal place. For example, six percent of the chemically tagged brain cells had not migrated normally in mice exposed to two 30-minute ultrasound sessions.
"The ultrasound waves may have somehow disrupted the connections formed between cells as they move into their proper location," said Rakic.
Doctors generally recommend that women receive two ultrasound checkups during the course of their pregnancy to assess foetal development, each of which can last around 30 minutes.
The images generated by the pulses of ultrasonic waves can reveal information about the age of the unborn child, its position in the womb and whether it has any biological abnormalities.
Some previous studies have suggested that ultrasound may delay speech or cause genetic abnormalities in humans, but experts say these results have not been replicated.
Experts however said that the latest results warrant further research and stressed that the imaging technique has overwhelming benefits and pregnant women should not skip essential appointments.
