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胎盘能使准妈妈和宝宝之间进行物质交换,还能分泌多种维持妊娠的激素,是准妈妈体内的一个重要器官。如果胎盘出现问题,可能就会威胁到胎儿的健康。什么是胎盘胎盘和胎儿一样,都是从受精卵演变而来的,在怀孕1 2周完全形成。成形的胎盘呈圆盘状,附着子宫壁上,由羊膜、叶状绒毛膜和底蜕膜这三个部分构成。胎盘能在胎儿和母体之间进行氧气和二氧化碳的交换,向胎儿提供葡萄糖、氨基酸、电解质、维生素等多种营养物质,还能排泄胎儿的代谢产物。对准妈妈来说,胎盘能合成人绒毛促性腺激素、人胎盘泌乳素、孕酮、松弛素等多种激素,促使胎盘和胎儿生长,维持妊娠。
Placenta allows mothers and babies to exchange material between, but also to secrete a variety of hormones to maintain the pregnancy, is an important organ in the expectant mother. If the placenta problems, may threaten the health of the fetus. What is placental placenta, like fetuses, are evolved from the fertilized egg, fully formed in 12 weeks of pregnancy. The shaped placenta is disk-shaped, attached to the uterine wall, the amniotic membrane, leaf-like chorionic and decidual end of these three parts. The placenta can exchange oxygen and carbon dioxide between the fetus and the mother, supplying the fetus with nutrients such as glucose, amino acids, electrolytes and vitamins, as well as excreting the fetus’s metabolites. For mothers, the placenta can synthesize human villus gonadotropin, human placental prolactin, progesterone, relaxin and other hormones, to promote the growth of the placenta and the fetus to maintain pregnancy.