1·This condition is known as placenta accreta.
这种情况被称为胎盘增生。
2·Hemorrhage into the decidua basalis, formed retroplacental hematoma, lead to the separation of the placenta.
出血进入蜕膜基底，形成胎盘后血肿，导致胎盘分离。
3·"The only place it's expressed is in the placenta," Dr. Heidmann said. To understand its function, he and his colleagues disabled the gene in mice.
“唯一表达合胞体蛋白的地方是胎盘，”海德曼博士说，为了弄清楚它的功能，他及其同事在老鼠上沉默了该基因。
4·Scientists agree that DHA, naturally transmitted to a fetus through the placenta in the last half of pregnancy, is important, probably to visual and brain development.
科学家们同意DHA在怀孕的后半期会自然地通过胎盘传输给胎儿，可能对视力和大脑发育有好处。
5·More commonly, lost twins are discovered as tiny mummified attachments to the placenta of the live twin, after it is born.
更常见的是死去的孪生儿变成了微小的干尸，当存活婴儿出生的时候，附在其胎盘上。