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长期以来,认为新生儿乳房胀大与泌乳的生理现象是由于胎儿自胎盘接受母体的孕酮与催乳激素所致。但进一步临床观察发现,此种生理现象在小儿出生后不仅能持续数日,而且还可进一步发展,如乳腺继续胀大等。这显然不能用母体妊娠激素的刺激来解释。本文作者通过对乳腺组织学的研究,也提示小婴儿乳房发育并不是由于受母体激素的影响,而婴儿本身的性腺分泌(雌激素与睾丸酮)是重要的。现报告结果如下:
For a long time, that the physical phenomenon of neonatal breast enlargement and lactation is due to the fetus from the placenta to accept the mother’s progesterone and prolactin. However, further clinical observations found that this physiological phenomenon in children can not only last a few days after birth, but also further development, such as breast continued to swell. This obviously can not be explained by the stimulation of the maternal pregnancy hormone. Through the study of breast histology, the author also suggests that the infant’s breast development is not due to the influence of the mother’s hormone, and the baby’s own gonadal secretion (estrogen and testosterone) is important. The report shows the following: