The inner cell mass gives rise to the fetus, while the surrounding trophectoderm transforms into the placenta. After implantation, the trophectoderm starts reshaping the endometrium. A layer of ...

Find out when the placenta forms, and how the placenta supports your baby during your pregnancy.

However, at the earliest stages of development, it has the power to feed the future placenta and instructs the uterus so that it can nest. Using 'blastoids', in vitro embryo models formed with ...

"The opportunity to model these processes with embryonic stem cells is important because the earliest stages of placental function and how its development is controlled cannot be studied in human ...

22 The interaction between an activated blastocyst and a receptive uterus is part of a complex process that leads to implantation and the early stages of placental development. Many of the ...

She hopes that these tools can one day help reveal how defects emerging early in development set the stage for placental diseases like preeclampsia. The uterine wall is home to glands, vessels, ...

Any genetic or environmental insult that affects the development of the placenta or its component lineages at any stage can lead to placental insufficiency, fetal growth retardation and death ...

It is hoped that this will further our understanding of the initial stages of pregnancy and ... are of little help since the processes of placental development and implantation are too dissimilar ...

Although most women cease drinking once they know they are pregnant, the effect of alcohol during the initial stages ... affect the development of the early embryo and the placenta.