Yawning in the womb may be the unborn baby showing distress, according to new research. Fetuses can - and do - yawn in the womb, where all oxygen is provided by the placenta, scientists say. Now, a ...
IT was recently reported in your pages that prenatal X-irradiation produces a higher incidence of congenital anomalies in the offspring of primiparous mice than in those of multiparous mice, and that ...
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